{"title":"Crankshaft Dampers","description":"\u003cp\u003eThe crankshaft damper, also known as a harmonic balancer, is critical for absorbing torsional vibration and preventing catastrophic crankshaft failure. Over time, the rubber bond between the hub and outer ring can degrade, leading to timing marks walking, belt slippage, or even a separated pulley. Whether you're maintaining a daily driver or building a high-revving race engine, a properly functioning damper is non-negotiable.\u003c\/p\u003e\u003cp\u003eOur collection includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStock replacement dampers for OE-like massage and reliable daily operation.\u003c\/li\u003e\n\u003cli\u003ePerformance dampers with elastomeric or fluid-filled designs that tune out harmful harmonics across the rpm range.\u003c\/li\u003e\n\u003cli\u003eSFI-certified dampers for sanctioned racing, where safety regulations require a spec balancer.\u003c\/li\u003e\n\u003cli\u003eUnderdrive pulleys that reduce parasitic drag for a modest horsepower gain—without sacrificing harmonic damping in a quality design.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhen selecting a damper, verify your engine's external balance configuration (internal vs. external balance), the pulley diameter, and any interference with aftermarket accessories. All dampers are designed to press or bolt onto the crankshaft snout using the correct installer tool (not a hammer) to avoid bearing damage.\u003c\/p\u003e","products":[{"product_id":"ati-damper-7-074in-steel-chevy-bb-3-ring-1pc","title":"ATI Super Damper 7.074in Steel Harmonic Balancer for Big Block Chevy, 3-Ring 1-Piece (ATI917060)","description":"\u003cp\u003eThe ATI Super Damper (ATI917060) is an essential upgrade for Big Block Chevy engines, designed to neutralize destructive torsional crankshaft vibrations. This 7.074-inch harmonic balancer features a high-quality steel shell and a specialized 3-ring internal inertia weight configuration. Unlike standard balancers, the Super Damper provides superior protection for your rotating assembly and engine bearings across the entire RPM range, ensuring crankshaft longevity in high-performance applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI917060\u003c\/li\u003e\n\u003cli\u003eDiameter: 7.074 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: High-tensile steel construction\u003c\/li\u003e\n\u003cli\u003eDesign: 3-ring internal inertia weight, 1-piece shell\u003c\/li\u003e\n\u003cli\u003eFitment: Big Block Chevy (BBC) engines\u003c\/li\u003e\n\u003cli\u003eApplication: Replaces OEM or worn balancers to improve vibration damping\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342006182253,"sku":"APPATI917060","price":366.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-074in-steel-chevy-bb-3-ring-1pc-square.jpg?v=1783354848"},{"product_id":"ati-damper-7-425in-steel-lw-6-4-grv-ls1-ls2-f-v-body-3-ring","title":"ATI Super Damper 7.425\" Lightweight Steel Harmonic Balancer for LS1\/LS2 F \u0026 V-Body (ATI917242)","description":"\u003cp\u003eFits select LS1 and LS2 powered F-Body and V-Body vehicles.\u003c\/p\u003e\u003cp\u003eThe ATI Super Damper provides essential protection against engine-damaging torsional crankshaft vibrations that factory balancers often fail to control at high RPM. This lightweight steel 3-ring harmonic balancer is engineered specifically for GM LS-series engines, featuring a precision-machined 6-groove and 4-groove pulley configuration to maintain correct accessory drive alignment. Unlike traditional bonded dampers, ATI's design uses high-durometer O-rings to absorb harmonics across the entire powerband, ensuring long-term engine health and stability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI917242\u003c\/li\u003e\n\u003cli\u003eDiameter: 7.425 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: Lightweight Steel\u003c\/li\u003e\n\u003cli\u003eConfiguration: 6-Groove and 4-Groove\u003c\/li\u003e\n\u003cli\u003eInternal Design: 3 Ring Dampening\u003c\/li\u003e\n\u003cli\u003eApplication: LS1 and LS2 F-Body \/ V-Body Platforms\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342006247789,"sku":"APPATI917242","price":498.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-425in-steel-lw-6-4-grv-ls1-ls2-f-v-body-3-ring-square.jpg?v=1783354848"},{"product_id":"ati-damper-7-425in-steel-lw-6-4-grv-ls1-2-3-6-l76-97-13-y-body-ss-g8-3-ring","title":"ATI Super Damper 7.425in Steel LW 6\/4 Groove Harmonic Balancer for Select 1997-2013 Corvette, SS \u0026 G8 (LS1\/2\/3\/6\/L76)","description":"\u003cp\u003eFits 1997-2013 Chevrolet Corvette (Y-Body), Chevrolet SS, and Pontiac G8 models equipped with LS1, LS2, LS3, LS6, or L76 engines.\u003c\/p\u003e\n\u003cp\u003eThe ATI Super Damper (MPN: ATI917246) is engineered to eliminate torsional crankshaft vibrations, protecting your engine internals during high-performance and high-RPM use. This 7.425-inch lightweight steel balancer features a 3-ring design that is both tunable and rebuildable. It is precision-machined with a 6-rib serpentine groove and a 4-rib A\/C groove to ensure perfect belt alignment on factory accessory drives.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer Part Number: ATI917246\u003c\/li\u003e\n  \u003cli\u003eDiameter: 7.425 inches\u003c\/li\u003e\n  \u003cli\u003eMaterial: Lightweight Steel construction\u003c\/li\u003e\n  \u003cli\u003ePulley Configuration: 6-rib and 4-rib grooves\u003c\/li\u003e\n  \u003cli\u003eInternal Design: 3-Ring inertia weights\u003c\/li\u003e\n  \u003cli\u003eEngine Compatibility: LS1, LS2, LS3, LS6, and L76\u003c\/li\u003e\n  \u003cli\u003eSFI 18.1 Safety Rated for competition use\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342006313325,"sku":"APPATI917246","price":498.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-425in-steel-lw-6-4-grv-ls1-2-3-6-l76-97-13-y-body-ss-g8-3-square.jpg?v=1783354852"},{"product_id":"ati-damper-7-48in-alum-lw-6-4-grv-ls1-2-3-6-l76-97-13-y-body-ss-g8-3-ring","title":"ATI Performance Products Super Damper 7.48\" Aluminum LW Harmonic Balancer for 1997-2013 Corvette, G8, \u0026 SS (LS1\/LS2\/LS3\/LS6) ATI917266","description":"\u003cp\u003eFits select 1997-2013 Chevrolet Corvette (Y-Body), Pontiac G8, and Chevrolet SS equipped with LS1, LS2, LS3, LS6, and L76 engines.\u003c\/p\u003e\u003cp\u003eThe ATI Performance Products Super Damper (MPN ATI917266) is a precision-engineered solution for managing harmful torsional crankshaft vibrations in high-performance LS engines. This 7.48-inch diameter unit features a lightweight aluminum shell to reduce rotating mass on the crank snout without sacrificing the vibration-dampening performance required for high-RPM applications. Its 3-ring internal elastomer design effectively absorbs harmonics that can lead to oil pump failure and bearing wear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eShell Material: Lightweight Aluminum (LW)\u003c\/li\u003e\n\u003cli\u003eDiameter: 7.48 inches\u003c\/li\u003e\n\u003cli\u003eGroove Configuration: 6-rib main drive and 4-rib A\/C drive\u003c\/li\u003e\n\u003cli\u003eDesign: 3-Ring internal elastomer for maximum harmonic control\u003c\/li\u003e\n\u003cli\u003eCompatibility: Direct fit for Y-Body (Corvette) and select performance sedan belt offsets\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI917266\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342006378861,"sku":"APPATI917266","price":461.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-48in-alum-lw-6-4-grv-ls1-2-3-6-l76-97-13-y-body-ss-g8-3-r-square.jpg?v=1783354851"},{"product_id":"ati-damper-6-78in-alum-6-grv-10-percent-ud-ls1-ls2-f-v-body-no-a-c-3-ring","title":"ATI Super Damper 6.78in 10% Underdrive Aluminum Damper for LS1\/LS2 F-Body \u0026 V-Body (No A\/C) - ATI917277","description":"\u003cp\u003eFits LS1 and LS2 engines in F-Body and V-Body platforms configured without A\/C.\u003c\/p\u003e\u003cp\u003eThe ATI Super Damper is the industry standard for controlling harmful torsional crankshaft vibrations. This 6.78-inch aluminum shell damper features a 3-ring internal design specifically tuned for high-performance LS engines. By utilizing a 10% underdrive ratio, this unit reduces parasitic drag on engine accessories, freeing up horsepower while maintaining superior harmonic damping across the entire RPM range.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI917277\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 6.78 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: Lightweight aluminum shell\u003c\/li\u003e\n\u003cli\u003eDrive Type: 6-Groove serpentine\u003c\/li\u003e\n\u003cli\u003eUnderdrive: 10% reduction\u003c\/li\u003e\n\u003cli\u003eConfiguration: 3-Ring Super Damper\u003c\/li\u003e\n\u003cli\u003eFitment: LS1\/LS2 F-Body and V-Body (No A\/C applications)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342006444397,"sku":"APPATI917277","price":437.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-78in-alum-6-grv-10-percent-ud-ls1-ls2-f-v-body-no-a-c-3-r-square.jpg?v=1783354852"},{"product_id":"ati-damper-6-78in-al-6-4-grv-10-per-ud-ls1-2-3-6-97-13-y-body-10-per-ud-a-c-3-ring","title":"ATI Super Damper 6.78in Aluminum 10% Underdrive 6\/4-Groove for Chevrolet Corvette 1997-2013 (LS1\/LS2\/LS3\/LS6)","description":"\u003cp\u003eFits 1997-2013 Chevrolet Corvette (Y-Body) models equipped with LS1, LS2, LS3, or LS6 engines.\u003c\/p\u003e\n\u003cp\u003eThe ATI Super Damper (MPN ATI917278) is engineered to eliminate torsional crankshaft vibrations and protect your engine at high RPMs. This 6.78-inch diameter harmonic balancer features a lightweight aluminum shell to reduce rotating mass. Designed with a 10% underdrive ratio for both the 6-rib main and 4-rib A\/C pulley grooves, it reduces parasitic drag from accessories to improve overall power output. The 3-ring internal design provides superior dampening across the entire powerband compared to standard OE units.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e High-performance aluminum hub and shell\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePulley Configuration:\u003c\/strong\u003e 6-groove main \/ 4-groove A\/C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnderdrive:\u003c\/strong\u003e 10% underdrive on both main and A\/C accessories\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDamper Diameter:\u003c\/strong\u003e 6.78 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e 3-ring internal inertia weights for maximum vibration control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Specific to Y-Body accessory spacing (Corvette)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e ATI917278\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342006509933,"sku":"APPATI917278","price":461.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-78in-al-6-4-grv-10-per-ud-ls1-2-3-6-97-13-y-body-10-per-u-square.jpg?v=1783354852"},{"product_id":"ati-damper-7-425in-steel-lw-6-4-grv-ls3-camaro-10-15-gen-3-vortec-truck-ls-3-ring","title":"ATI Super Damper - 7.425in Steel LW - 6\/4 Groove - 2010-2015 Camaro LS3 \u0026 Gen 3 Vortec Truck (LS)","description":"\u003cp\u003eFits 2010-2015 Chevrolet Camaro (LS3) and GM Gen 3 Vortec Truck models with LS-series engines.\u003c\/p\u003e\u003cp\u003eThe ATI Performance Products Super Damper (ATI917286) is designed to eliminate torsional crankshaft vibrations, providing essential protection for your LS engine's internals. Unlike standard OEM balancers, this lightweight steel (LW) 7.425-inch damper is tuned to maintain engine harmonics across the entire RPM range, making it a critical upgrade for high-performance and modified builds. This unit features a 3-ring design and a dual-pulley configuration with 6-rib and 4-rib grooves to match factory accessory drive spacing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI917286\u003c\/li\u003e\n\u003cli\u003eDiameter: 7.425 inches\u003c\/li\u003e\n\u003cli\u003eConstruction: Lightweight Steel\u003c\/li\u003e\n\u003cli\u003eDesign: 3 Ring Shell\u003c\/li\u003e\n\u003cli\u003eGrooves: 6-rib and 4-rib Serpentine\u003c\/li\u003e\n\u003cli\u003eApplication: LS3 Camaro and GM Gen 3 Vortec Truck\u003c\/li\u003e\n\u003cli\u003eFunctions as a direct replacement for the factory harmonic balancer\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342006575469,"sku":"APPATI917286","price":559.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/58b956513c17c06c26a2ce7fdd963c16.jpg?v=1779052326"},{"product_id":"ati-damper-6-78in-al-6-grv-10-per-ud-ls1-2-3-6-l76-97-13-28t-8mm-htd-drive-rear-3-ring","title":"ATI Super Damper 6.78\" Aluminum 10% Underdrive for GM LS1\/LS2\/LS3\/LS6 1997-2013 (ATI917289)","description":"\u003cp\u003eFits select 1997-2013 GM vehicles equipped with LS1, LS2, LS3, LS6, or L76 engines.\u003c\/p\u003e\u003cp\u003eThe ATI Performance Products Super Damper (MPN ATI917289) provides superior protection against destructive torsional crankshaft vibrations across a wide RPM range. This high-performance harmonic balancer features a 6.78-inch aluminum shell for weight reduction and a 10% underdrive, which reduces parasitic drag on accessories to free up horsepower. Designed for serious racing and performance builds, this unit includes a 28-tooth 8mm HTD drive on the rear to accommodate dry sump systems or other belt-driven accessories.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDiameter: 6.78 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: Lightweight Aluminum shell\u003c\/li\u003e\n\u003cli\u003eDesign: Internal 3-ring elastomeric configuration\u003c\/li\u003e\n\u003cli\u003eFront Drive: 6-groove serpentine belt\u003c\/li\u003e\n\u003cli\u003eRear Drive: Integrated 28T 8mm HTD drive\u003c\/li\u003e\n\u003cli\u003ePerformance: 10% underdrive reduces accessory load\u003c\/li\u003e\n\u003cli\u003eFitment: LS1, LS2, LS3, LS6, and L76 engines (1997-2013)\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI917289\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342006641005,"sku":"APPATI917289","price":461.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-78in-al-6-grv-10-per-ud-ls1-2-3-6-l76-97-13-28t-8mm-htd-d-square.jpg?v=1783354855"},{"product_id":"ati-damper-7-48in-alum-lw-6-grv-ls1-ls2-f-v-body-no-a-c-3-ring","title":"ATI Super Damper 7.48in Lightweight Aluminum 6-Groove Harmonic Balancer for LS1\/LS2 F \u0026 V Body - No A\/C - 3 Ring - ATI917302","description":"\u003cp\u003eEngineered for high-performance LS1 and LS2 engines in F-Body and V-Body applications, the ATI Super Damper (ATI917302) provides essential protection against crankshaft torsional vibration. This 7.48-inch lightweight aluminum damper is designed specifically for performance applications where the air conditioning system has been deleted, reducing parasitic drag and rotational mass.\u003c\/p\u003e\u003cp\u003eUnlike OEM balancers, this 3-ring inertia weight design is tunable and rebuildable, ensuring long-term reliability and precise timing marks for high-RPM use. The aluminum outer shell construction significantly reduces weight compared to standard steel dampers, allowing for faster engine acceleration without sacrificing harmonic control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits LS1 and LS2 engines in F-Body and V-Body platforms\u003c\/li\u003e\n\u003cli\u003eLightweight aluminum construction for reduced rotational inertia\u003c\/li\u003e\n\u003cli\u003e7.48-inch diameter with 6-groove serpentine belt profile\u003c\/li\u003e\n\u003cli\u003ePerformance 3-ring design optimized for engine harmonics\u003c\/li\u003e\n\u003cli\u003eConfigured for vehicles without air conditioning (No A\/C)\u003c\/li\u003e\n\u003cli\u003eLaser-etched timing marks for easy adjustment\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI917302\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342006706541,"sku":"APPATI917302","price":437.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-48in-alum-lw-6-grv-ls1-ls2-f-v-body-no-a-c-3-ring-square.jpg?v=1783354855"},{"product_id":"ati-damper-7-48in-alum-6-grv-ls1-2-3-6-l76-97-13-y-body-ss-g8-28t-8mm-htd-3-ring","title":"ATI Super Damper 7.48in Aluminum 6-Groove LS1\/LS2\/LS3\/LS6\/L76 1997-2013 Corvette, SS, G8 28T 8mm HTD 3-Ring","description":"\u003cp\u003eFits select 1997-2013 Chevrolet Corvette (Y-Body), SS, and Pontiac G8 equipped with LS1, LS2, LS3, LS6, or L76 engines.\u003c\/p\u003e\n\n\u003cp\u003eThe ATI Super Damper (MPN ATI917304) is engineered to provide professional-grade protection against destructive torsional crankshaft vibrations. Unlike standard OEM balancers that use a single bonded rubber layer, this 3-ring elastomer damper utilizes a patented design to neutralize harmonics across the entire RPM range, preventing oil pump failure and crankshaft fatigue. This unit features a lightweight 7.48-inch aluminum shell and an integrated 28-tooth 8mm HTD (High Torque Drive) gear, specifically designed for high-performance applications requiring HTD-driven accessories or dry sump systems.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e ATI917304\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 7.48 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Lightweight Aluminum Shell\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePulley Configuration:\u003c\/strong\u003e 6-Groove Serpentine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuxiliary Drive:\u003c\/strong\u003e 28-Tooth 8mm HTD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Design:\u003c\/strong\u003e 3-Ring Elastomer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 1997-2013 Y-Body Corvette, Pontiac G8, and Chevy SS (LS Engines)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342009917805,"sku":"APPATI917304","price":461.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-48in-alum-6-grv-ls1-2-3-6-l76-97-13-y-body-ss-g8-28t-8mm-square.jpg?v=1783354855"},{"product_id":"ati-damper-7-48in-alum-lw-6-grv-2014-corvette-lt1-6-bolt","title":"ATI Performance Products Super Damper 7.48\" Aluminum LW 6-Groove Harmonic Balancer for 2014+ Corvette (LT1) - ATI917314","description":"\u003cp\u003eFits 2014+ Chevrolet Corvette models equipped with the LT1 engine.\u003c\/p\u003e\u003cp\u003eThe ATI Super Damper (ATI917314) is an essential upgrade for high-performance LT1 engines, designed to eliminate torsional crankshaft vibrations that can lead to oil pump failure and bearing wear. This 7.48-inch unit features a lightweight aluminum shell to reduce rotating mass, improving throttle response while maintaining the 6-groove serpentine belt profile. The 6-bolt hub design ensures a secure, high-strength connection to the crankshaft, making it an ideal choice for both street and track-driven C7 Corvettes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI917314\u003c\/li\u003e\n\u003cli\u003eDiameter: 7.48 inches\u003c\/li\u003e\n\u003cli\u003eShell Material: Lightweight Aluminum\u003c\/li\u003e\n\u003cli\u003eBelt Profile: 6-Groove Serpentine\u003c\/li\u003e\n\u003cli\u003eMounting Style: 6-Bolt Hub\u003c\/li\u003e\n\u003cli\u003eEngine Compatibility: GM LT1\u003c\/li\u003e\n\u003cli\u003eFinish: Black Zinc Chromate with Laser-Engraved Timing Marks\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342009983341,"sku":"APPATI917314","price":414.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-48in-alum-lw-6-grv-2014-corvette-lt1-6-bolt-square.jpg?v=1783354855"},{"product_id":"ati-damper-7-48in-alum-lw-6-grv-2014-corvette-lt1-lt4-dry-sump-6-bolt-excl-sc-pulley","title":"ATI Super Damper 7.48in Lightweight Aluminum 6-Groove for 2014-2024 Corvette (LT1\/LT4 Dry Sump)","description":"\u003cp\u003eFits 2014-2024 Chevrolet Corvette models equipped with LT1 or LT4 engines and dry sump oiling systems.\u003c\/p\u003e\u003cp\u003eProtect your high-performance LT-series engine from destructive torsional crankshaft vibrations with the ATI Super Damper. This 7.48-inch harmonic balancer is engineered specifically for Corvette dry sump applications, featuring a lightweight aluminum hub and shell construction to reduce rotating mass and improve throttle response without sacrificing durability.\u003c\/p\u003e\u003cp\u003eThe ATI917315 is designed to replace the factory balancer, providing superior dampening across the entire RPM range. It features a 6-groove serpentine pulley layout and a 6-bolt mounting pattern for the crank hub. Please note that this unit excludes the supercharger pulley.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI917315\u003c\/li\u003e\n\u003cli\u003eDiameter: 7.48 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: Lightweight Aluminum\u003c\/li\u003e\n\u003cli\u003eBelt Profile: 6-Groove Serpentine\u003c\/li\u003e\n\u003cli\u003eMounting: 6-Bolt Hub\u003c\/li\u003e\n\u003cli\u003eEngine Compatibility: LT1 \/ LT4 (Dry Sump Only)\u003c\/li\u003e\n\u003cli\u003eExcludes Supercharger (SC) Pulley\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010048877,"sku":"APPATI917315","price":518.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-48in-alum-lw-6-grv-2014-corvette-lt1-lt4-dry-sump-6-bolt-square.jpg?v=1783354859"},{"product_id":"ati-damper-6-78in-alum-6-grv-ford-ecoboost-3-3l-3-5l-3-7l-v6","title":"ATI Super Damper 6.78in Aluminum 6-Groove Harmonic Balancer for Select Ford (3.3L \/ 3.5L \/ 3.7L)","description":"\u003cp\u003eFits select Ford vehicles equipped with 3.3L, 3.5L, and 3.7L V6 engines.\u003c\/p\u003e\u003cp\u003eThe ATI Super Damper provides essential protection for your Ford V6 engine by eliminating destructive torsional crankshaft vibrations. Engineered for both high-performance street and racing applications, this 6.78-inch harmonic balancer replaces the failure-prone factory unit with a tunable, high-performance elastomer design. The lightweight aluminum construction reduces rotating assembly weight to improve throttle response without sacrificing durability at high RPM.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI917317\u003c\/li\u003e\n\u003cli\u003eDiameter: 6.78 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: High-quality Aluminum hub and shell\u003c\/li\u003e\n\u003cli\u003ePulley Style: 6-Groove serpentine\u003c\/li\u003e\n\u003cli\u003eEngine Compatibility: 3.3L, 3.5L, and 3.7L V6\u003c\/li\u003e\n\u003cli\u003eControls vibrations across the entire RPM range\u003c\/li\u003e\n\u003cli\u003eSFI 18.1 safety rated for competition use\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010114413,"sku":"APPATI917317","price":449.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-78in-alum-6-grv-ford-ecoboost-3-3l-3-5l-3-7l-v6-square.jpg?v=1783354858"},{"product_id":"ati-damper-7-425in-steel-lw-8-4-grv-ls1-2-3-6-l76-97-13-y-body-ss-g8-3-ring","title":"ATI Super Damper 7.425in Steel LW 8 \u0026 4-Groove for Select GM 1997-2013 (LS1\/LS2\/LS3\/LS6\/L76)","description":"\u003cp\u003eFits select 1997-2013 Chevrolet Corvette (Y-Body), Chevrolet SS, and Pontiac G8 models equipped with LS1, LS2, LS3, LS6, or L76 engines.\u003c\/p\u003e\u003cp\u003eThe ATI Super Damper (MPN: ATI917345) is engineered to eliminate torsional crankshaft vibrations across all RPM ranges. This lightweight steel 3-ring damper is essential for high-performance LS builds where harmonic frequencies can lead to engine wear or catastrophic failure. Featuring a dual-pulley configuration with 8-rib and 4-rib grooves, it maintains factory belt alignment while providing superior protection for your rotating assembly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDiameter: 7.425 inches\u003c\/li\u003e\n\u003cli\u003eConstruction: Lightweight Steel hub and shell\u003c\/li\u003e\n\u003cli\u003eGroove Configuration: 8-Groove and 4-Groove\u003c\/li\u003e\n\u003cli\u003eDesign: 3-Ring internal elastomer\u003c\/li\u003e\n\u003cli\u003eEngineered for high-RPM durability and crank protection\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI917345\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010179949,"sku":"APPATI917345","price":518.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-425in-steel-lw-8-4-grv-ls1-2-3-6-l76-97-13-y-body-ss-g8-3-square.jpg?v=1783354860"},{"product_id":"ati-damper-8-074in-steel-8-grv-cummins-4bt-6bt-3-9l-5-9l-3-ring-diesel","title":"ATI Super Damper Harmonic Balancer for Cummins 4BT \/ 6BT, 8.074\" Steel 8-Groove (3.9L \/ 5.9L)","description":"\u003cp\u003eFits Cummins 4BT and 6BT diesel engines (3.9L \/ 5.9L).\u003c\/p\u003e\u003cp\u003eThe ATI Super Damper provides essential protection for your engine by eliminating harmful torsional crankshaft vibrations. Designed specifically for the high-torque demands of Cummins diesel applications, this 8.074-inch damper features a robust steel construction and a precision-engineered 3-ring internal design. The integrated 8-groove serpentine belt profile ensures reliable accessory drive performance under extreme conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDiameter: 8.074 in\u003c\/li\u003e\n\u003cli\u003eMaterial: Steel\u003c\/li\u003e\n\u003cli\u003eBelt Profile: 8-Groove Serpentine\u003c\/li\u003e\n\u003cli\u003eInternal Design: 3-Ring\u003c\/li\u003e\n\u003cli\u003eEngine Compatibility: 4BT \/ 6BT (3.9L \/ 5.9L)\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI917365\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010245485,"sku":"APPATI917365","price":543.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-8-074in-steel-8-grv-cummins-4bt-6bt-3-9l-5-9l-3-ring-diesel-square.jpg?v=1783354859"},{"product_id":"ati-damper-7-425in-steel-6-grv-duramax-06-10-lbz-lmm-ext-bal-3-ring-diesel","title":"ATI Super Damper 7.425in Steel 6-Groove Harmonic Balancer for 2006-2010 GM Duramax LBZ \u0026 LMM Diesel - ATI917369","description":"\u003cp\u003eFits 2006-2010 Chevrolet and GMC 6.6L Duramax LBZ and LMM diesel engines.\u003c\/p\u003e\u003cp\u003eProtect your engine from harmful torsional vibrations with the ATI Super Damper. This 7.425-inch steel harmonic balancer is engineered to provide superior protection compared to the stock unit, effectively absorbing crankshaft harmonics across the entire RPM range. It features a high-performance 3-ring design and a 6-groove pulley, making it an essential upgrade for both stock and high-horsepower Duramax builds where engine longevity is a priority.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDiameter: 7.425 inches\u003c\/li\u003e\n\u003cli\u003eShell Material: High-quality steel construction\u003c\/li\u003e\n\u003cli\u003ePulley Profile: 6-groove\u003c\/li\u003e\n\u003cli\u003eBalance Type: External balance\u003c\/li\u003e\n\u003cli\u003eEngine Fitment: Duramax LBZ \u0026amp; LMM (2006-2010)\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI917369\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010311021,"sku":"APPATI917369","price":508.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-425in-steel-6-grv-duramax-06-10-lbz-lmm-ext-bal-3-ring-di-square.jpg?v=1783354862"},{"product_id":"ati-damper-7-425in-steel-6-grv-duramax-01-05-lb7-lly-ext-bal-3-ring-diesel","title":"ATI Super Damper 7.425\" Steel Harmonic Balancer for 2001-2005 GM Duramax LB7\/LLY (6.6L) 6-Groove","description":"\u003cp\u003eFits 2001-2005 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD models equipped with the 6.6L Duramax LB7 and LLY diesel engines.\u003c\/p\u003e\n\u003cp\u003eThe ATI Super Damper is the leading solution for eliminating destructive torsional crankshaft vibrations, which is critical for high-performance diesel builds or heavy-duty towing applications. Unlike factory dampers that use a simple rubber elastomer, this 3-ring Super Damper features a patented design that functions at all RPM ranges to protect your engine's internals and maintain timing accuracy. This unit is specifically engineered for externally balanced Duramax engines and features a durable steel shell construction with a 6-groove serpentine pulley.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer Part Number: ATI917371\u003c\/li\u003e\n  \u003cli\u003eOutside Diameter: 7.425 inches\u003c\/li\u003e\n  \u003cli\u003eShell Material: Steel\u003c\/li\u003e\n  \u003cli\u003ePulley Type: 6-Groove Serpentine\u003c\/li\u003e\n  \u003cli\u003eInertia Weight: 3-Ring Design\u003c\/li\u003e\n  \u003cli\u003eEngine Balance: External\u003c\/li\u003e\n  \u003cli\u003eSafety Rating: SFI 18.1 certified for racing use\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010409325,"sku":"APPATI917371","price":498.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-425in-steel-6-grv-duramax-01-05-lb7-lly-ext-bal-3-ring-di-square.jpg?v=1783354862"},{"product_id":"ati-damper-7-98in-steel-8-grv-cummins-2003-07-5-5-9l-3-ring-hvy-diesel","title":"ATI Super Damper Harmonic Balancer for 2003-2007.5 Cummins (5.9L) - 7.98in 8-Groove 3-Ring Heavy Duty Steel","description":"\u003cp\u003eProtect your engine's rotating assembly with the ATI Super Damper, specifically engineered for 2003-2007.5 Cummins 5.9L diesel engines. This 7.98-inch harmonic balancer features a heavy-duty, 3-ring steel design to eliminate torsional crankshaft vibration across the entire RPM range. Unlike standard elastomer dampers, this unit is built to withstand high-stress conditions, preventing the destructive harmonics that can lead to crankshaft fatigue and oil pump failure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer Part Number: ATI917374\u003c\/li\u003e\n  \u003cli\u003eEngine Compatibility: 5.9L Cummins Diesel (2003-2007.5)\u003c\/li\u003e\n  \u003cli\u003eDiameter: 7.98 inches\u003c\/li\u003e\n  \u003cli\u003eMaterial: High-quality steel construction\u003c\/li\u003e\n  \u003cli\u003eGroove Pattern: 8-Groove pulley\u003c\/li\u003e\n  \u003cli\u003eDesign: 3-Ring Heavy Duty configuration\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010474861,"sku":"APPATI917374","price":518.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-98in-steel-8-grv-cummins-2003-07-5-5-9l-3-ring-hvy-diesel-square.jpg?v=1783354863"},{"product_id":"ati-damper-7-425in-steel-6-grv-duramax-11-lml-lgh-ext-bal-diesel-3-ring","title":"ATI Super Damper Harmonic Balancer - 7.425in Steel 6-Groove for 2011+ GM Duramax (LML\/LGH) - ATI917376","description":"\u003cp\u003eFits 2011-2016 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD equipped with the 6.6L Duramax diesel engine (LML and LGH codes).\u003c\/p\u003e\n\u003cp\u003eThe ATI Super Damper (MPN ATI917376) is engineered to eliminate torsional crankshaft vibrations, which are particularly destructive in high-torque diesel applications. Unlike standard OEM dampers that use a simple rubber strip prone to cracking and heat soak, this 3-ring unit features a precision-machined steel shell and internal inertia rings held by high-durometer elastomer O-rings. This design provides superior engine protection by dampening harmonics across the entire RPM range, safeguarding your main bearings and oil pump.\u003c\/p\u003e\n\u003cp\u003eDesigned as a direct replacement for the factory unit, this 7.425-inch damper is externally balanced and features a 6-groove serpentine pulley for perfect belt alignment. It is an essential upgrade for both heavy-duty towing and high-horsepower performance builds.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e ATI917376\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 7.425 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShell Material:\u003c\/strong\u003e Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePulley:\u003c\/strong\u003e 6-Groove Serpentine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBalance:\u003c\/strong\u003e External\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e 3-Ring Elastomer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e GM Duramax 6.6L LML \/ LGH\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010540397,"sku":"APPATI917376","price":498.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-425in-steel-6-grv-duramax-11-lml-lgh-ext-bal-diesel-3-rin-square.jpg?v=1783354863"},{"product_id":"ati-damper-6-78in-alum-2-4-grv-dodge-srt4-neon-pt-cruiser","title":"ATI Super Damper 6.78in Aluminum (2) 4-Groove for Dodge Neon SRT4 \u0026 PT Cruiser","description":"\u003cp\u003eFits Dodge Neon SRT4 and Chrysler PT Cruiser models.\u003c\/p\u003e\u003cp\u003eThe ATI Super Damper (MPN ATI917469) provides essential protection against destructive torsional crankshaft vibrations. Designed for high-performance engines where rotating mass and harmonic control are critical, this 6.78-inch damper features a lightweight aluminum shell construction to reduce parasitic drag while maintaining engine longevity.\u003c\/p\u003e\u003cp\u003eUnlike factory dampers with bonded rubber that can crack and fail under high load, the ATI Super Damper utilizes a precision-engineered internal design with high-quality O-rings. This specific model comes equipped with a dual 4-groove pulley configuration to maintain correct belt alignment for the Dodge Neon SRT4 and PT Cruiser platforms.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI917469\u003c\/li\u003e\n\u003cli\u003eDamper Diameter: 6.78 inches\u003c\/li\u003e\n\u003cli\u003eShell Material: Aluminum\u003c\/li\u003e\n\u003cli\u003ePulley Type: (2) 4-Groove\u003c\/li\u003e\n\u003cli\u003eDirect replacement for the factory harmonic balancer\u003c\/li\u003e\n\u003cli\u003eEngineered to eliminate harmonic vibrations across the entire RPM range\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010605933,"sku":"APPATI917469","price":418.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-78in-alum-2-4-grv-dodge-srt4-neon-pt-cruiser-square.jpg?v=1783354866"},{"product_id":"ati-damper-7-45in-alum-3-4-grv-nissan-rb26-r32-1000-hp-2-ring-1pc","title":"ATI Super Damper 7.45in Aluminum Harmonic Balancer for Nissan RB26 R32, 1000 HP (ATI917752)","description":"\u003cp\u003eFits 1989-1994 Nissan Skyline GT-R (R32) models equipped with the RB26 engine.\u003c\/p\u003e\u003cp\u003eThe ATI Super Damper is engineered to protect high-performance engines by eliminating torsional crankshaft vibrations. Specifically designed for the RB26 platform, this 7.45-inch harmonic balancer is rated to support builds up to 1000 HP. The aluminum construction reduces rotational mass compared to traditional steel dampers, allowing for quicker throttle response while providing superior engine harmonics control during high-RPM operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI917752\u003c\/li\u003e\n\u003cli\u003eDiameter: 7.45 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum shell\u003c\/li\u003e\n\u003cli\u003ePulley Configuration: (3) 4-Groove\u003c\/li\u003e\n\u003cli\u003ePower Rating: Up to 1000 HP\u003c\/li\u003e\n\u003cli\u003eDesign: 2-Ring, 1-Piece construction\u003c\/li\u003e\n\u003cli\u003eFunction: Eliminates torsional vibration for increased engine longevity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010671469,"sku":"APPATI917752","price":559.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-45in-alum-3-4-grv-nissan-rb26-r32-1000-hp-2-ring-1pc-square.jpg?v=1783354866"},{"product_id":"ati-damper-5-67in-alum-3-4-grv-nissan-300zx-v6-800hp-or-less-1pc","title":"ATI Super Damper Harmonic Balancer - 5.67in Aluminum (3) 4-Groove - Nissan 300ZX V6 - ATI917754","description":"\u003cp\u003eProtect your Nissan 300ZX V6 engine from destructive torsional vibrations with the ATI Super Damper. Engineered for street and race builds rated at 800HP or less, this 5.67-inch harmonic balancer features an aluminum outer shell to reduce rotating mass while maintaining maximum vibration control. This 1-piece unit replaces the factory pulley to ensure engine longevity and timing stability across the RPM range.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits Nissan 300ZX V6 models\u003c\/li\u003e\n\u003cli\u003eRated for applications up to 800HP\u003c\/li\u003e\n\u003cli\u003e5.67-inch diameter with triple 4-groove belt configuration\u003c\/li\u003e\n\u003cli\u003eLightweight aluminum construction for reduced parasitic drag\u003c\/li\u003e\n\u003cli\u003ePrecision-balanced 1-piece design\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI917754\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010737005,"sku":"APPATI917754","price":424.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-5-67in-alum-3-4-grv-nissan-300zx-v6-800hp-or-less-1pc-square.jpg?v=1783354866"},{"product_id":"ati-damper-6-20in-alum-3-2-4-grv-nissan-ka24-1pc","title":"ATI Super Damper 6.20in Aluminum Harmonic Balancer for Nissan KA24 (3 \u0026 2x4 Groove) ATI917756","description":"\u003cp\u003eProtect your Nissan KA24 engine from harmful torsional vibrations with the ATI Super Damper. Engineered to replace the factory harmonic balancer, this high-performance unit provides superior protection across the entire RPM range, ensuring crankshaft longevity and timing accuracy for both street and track builds.\u003c\/p\u003e\u003cp\u003eThis 6.20-inch damper features an aluminum shell construction to reduce rotating mass while maintaining high-strength durability. It is specifically designed for the KA24 platform, incorporating the necessary pulley grooves for accessory drive compatibility.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e ATI917756\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Fitment:\u003c\/strong\u003e Nissan KA24\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 6.20 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-grade aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-groove and (2) 4-groove pulley design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e 1-piece design for maximum integrity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010802541,"sku":"APPATI917756","price":448.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-20in-alum-3-2-4-grv-nissan-ka24-1pc-square.jpg?v=1783354866"},{"product_id":"ati-damper-6-10in-alum-4-5-grv-acura-nsx-3-0l-600-hp-or-less-1pc","title":"ATI Super Damper 6.10in Aluminum 4 \u0026 5 Groove for Acura NSX (3.0L) - 600HP Max - ATI917757","description":"\u003cp\u003eProtect your high-performance Acura NSX (3.0L) engine from harmful torsional crankshaft vibrations with the ATI Super Damper. Engineered specifically for street and track applications producing 600 HP or less, this harmonic balancer replaces the factory unit to provide superior engine protection and improved longevity of rotating components.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits Acura NSX (3.0L) engines\u003c\/li\u003e\n\u003cli\u003eDiameter: 6.10 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: High-strength aluminum shell and hub\u003c\/li\u003e\n\u003cli\u003eBelt Configuration: 4 and 5 groove pulleys\u003c\/li\u003e\n\u003cli\u003ePower Rating: Optimized for builds up to 600 HP\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI917757\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUnlike standard OEM elastomeric dampers, the ATI Super Damper features a tunable design that eliminates harmonic resonance across all RPM ranges. This assembly is a direct-fit solution for the NSX 3.0L, ensuring your valvetrain and oil pump remain protected from the destructive frequencies common in high-revving V6 engines.\u003c\/p\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010868077,"sku":"APPATI917757","price":445.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-10in-alum-4-5-grv-acura-nsx-3-0l-600-hp-or-less-1pc-square.jpg?v=1783354869"},{"product_id":"ati-damper-6-325in-steel-chevy-ls-smooth-c-bore-front-3-ring","title":"ATI Super Damper 6.325in Steel Harmonic Balancer for Chevy LS - C-Bore Front 3-Ring (ATI917776)","description":"\u003cp\u003eFits Chevrolet LS engines.\u003c\/p\u003e\u003cp\u003eThe ATI Super Damper harmonic balancer is engineered to eliminate destructive torsional crankshaft vibrations across the entire RPM range. Unlike standard elastomer dampers, this 6.325-inch steel shell unit features a high-performance 3-ring internal design that provides superior protection for engine bearings and crankshaft integrity. The smooth shell and C-bore front configuration ensure precise fitment and reliable performance in high-stress LS-based applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI917776\u003c\/li\u003e\n\u003cli\u003eDiameter: 6.325 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: Steel Shell\u003c\/li\u003e\n\u003cli\u003eInternal Design: 3-Ring\u003c\/li\u003e\n\u003cli\u003eFront Style: C-Bore\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Smooth\u003c\/li\u003e\n\u003cli\u003eApplication: Chevrolet LS Engines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010933613,"sku":"APPATI917776","price":368.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-325in-steel-chevy-ls-smooth-c-bore-front-3-ring-square.jpg?v=1783354869"},{"product_id":"ati-damper-6-325in-steel-chevy-sb-90-deg-v6-409-pont-4cyl-3-ring-1pc","title":"ATI Super Damper 6.325\" Steel Harmonic Balancer for Chevy SB, 90° V6, 409 \u0026 Pontiac 4-Cyl ATI917781","description":"\u003cp\u003eFits select Chevrolet Small Block, 90-degree V6, 409 engines, and Pontiac 4-cylinder applications.\u003c\/p\u003e\u003cp\u003eProtect your engine's rotating assembly with the ATI Super Damper (MPN: ATI917781). This high-performance harmonic balancer is engineered to eliminate destructive torsional crankshaft vibrations that OEM dampers cannot handle, especially at higher RPMs. The 3-ring internal design provides superior frequency dampening, ensuring more accurate timing and longer life for your bearings and crankshaft.\u003c\/p\u003e\u003cp\u003eConstructed with a rugged steel 1-piece shell, this 6.325-inch damper is built for durability in both high-performance street and competitive racing environments. It provides the vibration control necessary to maintain engine balance and prevent component failure under load.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI917781\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 6.325 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: High-grade steel construction\u003c\/li\u003e\n\u003cli\u003eInternal Design: 3-Ring inertia weight system\u003c\/li\u003e\n\u003cli\u003eShell Type: 1-Piece design\u003c\/li\u003e\n\u003cli\u003eFitment: Chevy Small Block, 90° V6, 409, and Pontiac 4-Cylinder\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342010999149,"sku":"APPATI917781","price":309.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-325in-steel-chevy-sb-90-deg-v6-409-pont-4cyl-3-ring-1pc-square.jpg?v=1783354869"},{"product_id":"ati-damper-5-50in-alum-4-5-grv-subaru-wrx-ej20-22-25-engine-1pc","title":"ATI Super Damper 5.50in Aluminum Harmonic Balancer for Subaru WRX (EJ20\/EJ22\/EJ25) ATI917991","description":"\u003cp\u003eFits Subaru WRX with EJ20, EJ22, and EJ25 engines.\u003c\/p\u003e\u003cp\u003eProtect your engine's rotating assembly with the ATI Performance Products Super Damper. Designed specifically to eliminate torsional crankshaft vibrations, this harmonic balancer ensures engine longevity and timing accuracy, especially in high-RPM performance applications. This unit features a 5.50-inch diameter and a weight-saving aluminum hub and shell construction, reducing parasitic drag without sacrificing vibration damping capabilities.\u003c\/p\u003e\u003cp\u003eThe dual-pulley design is engineered to work with the factory 4 and 5 groove serpentine belt configurations found on Subaru EJ-series Boxer engines. Each unit is tunable and rebuildable, making it a critical upgrade for any built EJ20, EJ22, or EJ25 engine.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI917991\u003c\/li\u003e\n\u003cli\u003eDiameter: 5.50 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum shell and hub\u003c\/li\u003e\n\u003cli\u003eBelt Configuration: 4 and 5 Groove pulleys\u003c\/li\u003e\n\u003cli\u003eFitment: Subaru EJ20, EJ22, and EJ25 engines\u003c\/li\u003e\n\u003cli\u003eDamping: Internal elastomer O-rings\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011064685,"sku":"APPATI917991","price":358.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-5-50in-alum-4-5-grv-subaru-wrx-ej20-22-25-engine-1pc-square.jpg?v=1783354870"},{"product_id":"ati-damper-5-67in-alum-6-grv-mini-cooper-s-1-6l-1pc","title":"ATI 5.67in Aluminum Harmonic Damper, 6-Groove for Mini Cooper S (1.6L) - ATI917992","description":"\u003cp\u003eFits Mini Cooper S (1.6L).\u003c\/p\u003e\n\u003cp\u003eProtect your engine from harmful torsional vibrations with this ATI aluminum harmonic damper. Specifically designed for the 1.6L engine in the Mini Cooper S, this damper replaces the factory unit to provide superior crankshaft stabilization across the entire RPM range. The aluminum construction reduces rotating mass compared to traditional steel dampers, improving throttle response while maintaining structural integrity under high-performance conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer Part Number: ATI917992\u003c\/li\u003e\n  \u003cli\u003eOuter Diameter: 5.67 inches\u003c\/li\u003e\n  \u003cli\u003eMaterial: High-grade aluminum shell\u003c\/li\u003e\n  \u003cli\u003eBelt Configuration: 6-groove pulley design\u003c\/li\u003e\n  \u003cli\u003eDirect fit for 1.6L Mini Cooper S engines\u003c\/li\u003e\n  \u003cli\u003eEliminates crankshaft vibrations to protect engine bearings and oil pumps\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011130221,"sku":"APPATI917992","price":368.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-5-67in-alum-6-grv-mini-cooper-s-1-6l-1pc-square.jpg?v=1783354873"},{"product_id":"ati-damper-5-74in-alum-6-grv-mini-cooper-s-1-6l-2-percent-od-1pc","title":"ATI Super Damper 5.74in Harmonic Balancer for Mini Cooper S (1.6L) - Aluminum 6-Groove 2% OD - ATI917993","description":"\u003cp\u003eProtect your engine and optimize performance with the ATI Super Damper harmonic balancer (MPN ATI917993), specifically engineered for the 1.6L Mini Cooper S. Unlike factory rubber-dampened pulleys that degrade over time, the ATI Super Damper is designed to eliminate torsional crankshaft vibrations across the entire RPM range, ensuring engine longevity and smoother operation in high-performance applications.\u003c\/p\u003e\u003cp\u003eThis 5.74-inch aluminum damper features a 6-groove pulley design and a 2% overdrive (OD) ratio. The slight overdrive increases the rotational speed of the supercharger, providing a measurable performance gain while the lightweight aluminum construction reduces rotating mass compared to heavier steel alternatives. It is a direct-fit, 1-piece unit that replaces the failure-prone OE crank pulley.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 1.6L Mini Cooper S engines\u003c\/li\u003e\n\u003cli\u003ePart Number: ATI917993\u003c\/li\u003e\n\u003cli\u003eDiameter: 5.74 inches\u003c\/li\u003e\n\u003cli\u003eOverdrive: 2% OD\u003c\/li\u003e\n\u003cli\u003eMaterial: High-quality Aluminum shell and hub\u003c\/li\u003e\n\u003cli\u003eBelt Profile: 6-Groove\u003c\/li\u003e\n\u003cli\u003eConstruction: 1-Piece design\u003c\/li\u003e\n\u003cli\u003eOptimized for torsional vibration control at high RPMs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011195757,"sku":"APPATI917993","price":366.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-5-74in-alum-6-grv-mini-cooper-s-1-6l-2-percent-od-1pc-square.jpg?v=1783354873"},{"product_id":"ati-damper-alum-mini-cooper-b46-b48-3-ring","title":"ATI Super Damper Aluminum Harmonic Balancer for Mini Cooper (B46\/B48) - 3 Ring - ATI917999","description":"\u003cp\u003eProtect your engine's rotating assembly with the ATI Super Damper Harmonic Balancer (ATI917999), specifically engineered for Mini Cooper models equipped with B46 and B48 engines. High-performance driving and increased power levels introduce harmful torsional vibrations that the factory crank pulley cannot adequately suppress. This aluminum-shell damper features a specialized 3-ring elastomer design to neutralize these harmonics across the entire RPM range.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits Mini Cooper models with B46 and B48 engines\u003c\/li\u003e\n\u003cli\u003eLightweight aluminum outer shell reduces parasitic drag for improved throttle response\u003c\/li\u003e\n\u003cli\u003eHigh-performance 3-ring design provides superior vibration control compared to stock units\u003c\/li\u003e\n\u003cli\u003eProtects crankshaft, main bearings, and oil pump components from vibration-related fatigue\u003c\/li\u003e\n\u003cli\u003eLaser-etched timing marks for precise tuning and maintenance\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI917999\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011228525,"sku":"APPATI917999","price":383.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-alum-mini-cooper-b46-b48-3-ring-square.jpg?v=1783354873"},{"product_id":"ati-crank-pin-drill-kit-hemi-5-7-6-1-392-2009-vvt-6-2l-hellcat-demon","title":"ATI Crank Pin Drill Kit for Chrysler Hemi 5.7L, 6.1L, 392 VVT \u0026 6.2L Hellcat\/Demon (6.2L) ATI918008-1","description":"\u003cp\u003eSecure your harmonic balancer to the crankshaft with the ATI Crank Pin Drill Kit (MPN: ATI918008-1). This precision tool is essential for high-performance Chrysler Hemi engines, particularly supercharged applications like the 6.2L Hellcat and Demon, where high torque and boost can cause the balancer to spin on the crank snout.\u003c\/p\u003e\n\u003cp\u003eFits Chrysler Hemi 5.7L, 6.1L, 392 VVT (2009-Up), and 6.2L Hellcat and Demon engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrevents harmonic balancer slippage on the crankshaft snout during high-load operation\u003c\/li\u003e\n  \u003cli\u003ePrecision-machined drill jig ensures accurate hole placement for the pinning process\u003c\/li\u003e\n  \u003cli\u003eDesigned specifically for Hemi VVT and supercharged 6.2L platforms\u003c\/li\u003e\n  \u003cli\u003eIncludes necessary drill bit and hardware for professional installation\u003c\/li\u003e\n  \u003cli\u003eManufacturer Part Number: ATI918008-1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011326829,"sku":"APPATI918008-1","price":131.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-crank-pin-drill-kit-hemi-5-7-6-1-392-2009-vvt-6-2l-hellcat-demon-square.jpg?v=1783354873"},{"product_id":"ati-damper-6-78in-alum-6-grv-ford-4-6-cobra-96-04-oem-size","title":"ATI Performance Products Super Damper 6.78in Aluminum 6-Groove for 1996-2004 Ford Mustang Cobra (4.6L) - ATI918036","description":"\u003cp\u003eFits 1996-2004 Ford Mustang SVT Cobra (4.6L V8).\u003c\/p\u003e\u003cp\u003eProtect your engine’s rotating assembly with the ATI Performance Products Super Damper. Engineered specifically for high-performance 4.6L DOHC Cobra engines, this harmonic balancer eliminates destructive torsional crankshaft vibrations that factory dampers cannot effectively manage at high RPM. This unit features a lightweight aluminum outer shell to reduce parasitic drag and rotating mass, while the 6.78-inch diameter maintains the OEM size for seamless integration with your factory 6-groove belt drive system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI918036\u003c\/li\u003e\n\u003cli\u003eDiameter: 6.78 inches\u003c\/li\u003e\n\u003cli\u003eShell Material: Aluminum\u003c\/li\u003e\n\u003cli\u003ePulley Profile: 6-Groove\u003c\/li\u003e\n\u003cli\u003eSize: OEM Replacement Diameter\u003c\/li\u003e\n\u003cli\u003eApplication: Harmonic balancer for Ford 4.6L 4V Cobra engines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011392365,"sku":"APPATI918036","price":388.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-78in-alum-6-grv-ford-4-6-cobra-96-04-oem-size-square.jpg?v=1783354877"},{"product_id":"ati-damper-6-78in-alum-6-grv-ford-4-6-mod-05-10-oem-size","title":"ATI Super Damper 6.78\" Aluminum 6-Groove Harmonic Balancer for 2005-2010 Ford 4.6L Modular (ATI918039)","description":"\u003cp\u003eFits 2005-2010 Ford 4.6L Modular engines.\u003c\/p\u003e\n\u003cp\u003eThe ATI Super Damper is engineered to eliminate destructive torsional crankshaft vibrations, providing essential protection for high-performance engines. This 6.78-inch harmonic balancer maintains the factory OEM size while offering significantly better dampening than stock units. By absorbing rotational harmonics across a wide RPM range, it helps prevent timing gear failure and crankshaft breakage.\u003c\/p\u003e\n\u003cp\u003eConstructed with a lightweight aluminum outer shell, this unit reduces parasitic drag and rotating mass for improved throttle response. The 6-groove serpentine belt profile ensures perfect alignment with factory accessory drives, making it a direct-fit performance upgrade for your 4.6L Ford engine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDiameter: 6.78 inches\u003c\/li\u003e\n  \u003cli\u003eMaterial: Aluminum outer shell\u003c\/li\u003e\n  \u003cli\u003eBelt Drive: 6-Groove serpentine\u003c\/li\u003e\n  \u003cli\u003eSize: OEM standard replacement size\u003c\/li\u003e\n  \u003cli\u003eCompatibility: Ford 4.6L Modular engines (2005-2010)\u003c\/li\u003e\n  \u003cli\u003eManufacturer Part Number: ATI918039\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011457901,"sku":"APPATI918039","price":418.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-78in-alum-6-grv-ford-4-6-mod-05-10-oem-size-square.jpg?v=1783354876"},{"product_id":"ati-damper-6-78in-alum-2-6-grv-ford-coyote-5-0l-w-a-c-pulley-oem-size","title":"ATI Super Damper 6.78\" Aluminum Dual 6-Groove for Ford Coyote (5.0L) with A\/C Pulley - ATI918047","description":"\u003cp\u003eFits Ford Coyote (5.0L) engines. This 6.78-inch OEM-size damper is engineered to eliminate harmful torsional crankshaft vibrations that can lead to catastrophic engine failure in high-performance applications.\u003c\/p\u003e\u003cp\u003eThe ATI Super Damper features an aluminum outer shell to reduce rotational mass while providing superior dampening across the entire RPM range. This model is designed with dual 6-groove serpentine pulleys and includes the integrated A\/C pulley, making it a reliable solution for high-output street and track builds that maintain factory accessories. This unit replaces the stock balancer with a high-precision, rebuildable component.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI918047\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 6.78 inches\u003c\/li\u003e\n\u003cli\u003eShell Material: Aluminum\u003c\/li\u003e\n\u003cli\u003ePulley Configuration: Dual 6-Groove\u003c\/li\u003e\n\u003cli\u003eIncluded Hardware: Integrated A\/C Pulley\u003c\/li\u003e\n\u003cli\u003eFitment Type: OEM Size Replacement\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011523437,"sku":"APPATI918047","price":559.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-78in-alum-2-6-grv-ford-coyote-5-0l-w-a-c-pulley-oem-size-square.jpg?v=1783354876"},{"product_id":"ati-damper-6-78in-alum-6-grv-ford-coyote-5-0-mustang-f150-11-no-a-c-oem-size","title":"ATI Super Damper 6.78in Aluminum 6-Groove Harmonic Balancer for 2011+ Ford Mustang \u0026 F-150 (5.0L Coyote) No A\/C ATI918047N","description":"\u003cp\u003eFits select 2011+ Ford Mustang and F-150 models equipped with the 5.0L Coyote engine.\u003c\/p\u003e\u003cp\u003eThe ATI Super Damper (MPN: ATI918047N) provides critical torsional vibration protection for high-performance Ford 5.0L Coyote engines. This harmonic balancer is engineered as an OEM-size replacement with a 6.78-inch diameter, utilizing a lightweight aluminum shell to reduce rotating mass and improve throttle response. This specific configuration features a 6-groove pulley designed for vehicles without air conditioning or dedicated race builds with an A\/C delete.\u003c\/p\u003e\u003cp\u003eBuilt to exceed SFI 18.1 safety standards, ATI dampers feature a patented design that uses internal elastomer O-rings to neutralize harmful crank vibrations across the entire RPM range, protecting your main bearings and oil pump gears during high-load conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI918047N\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 6.78 inches\u003c\/li\u003e\n\u003cli\u003eShell Material: Aluminum\u003c\/li\u003e\n\u003cli\u003eBelt Drive: 6-Groove\u003c\/li\u003e\n\u003cli\u003eCompatibility: Ford Coyote 5.0L (Mustang and F-150)\u003c\/li\u003e\n\u003cli\u003eApplication: No A\/C Pulley; OEM Size Replacement\u003c\/li\u003e\n\u003cli\u003eSafety Rating: SFI 18.1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011588973,"sku":"APPATI918047N","price":437.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-78in-alum-6-grv-ford-coyote-5-0-mustang-f150-11-no-a-c-oe-square.jpg?v=1783354877"},{"product_id":"ati-damper-8-074in-alum-10-6-grv-ford-coyote-5-0-20-per-od-w-a-c-pulley","title":"ATI Super Damper Harmonic Balancer 8.074in Aluminum 10 \u0026 6-Groove Ford Coyote 5.0 (20% OD, w\/ A\/C Pulley) - ATI918048","description":"\u003cp\u003eProtect your crankshaft and bearings from destructive torsional vibrations with the ATI Super Damper harmonic balancer. Engineered for the Ford Coyote 5.0 engine, this high-performance damper features an 8.074-inch aluminum shell that reduces rotating weight while providing superior vibration damping across the entire RPM range.\u003c\/p\u003e\u003cp\u003eThis specific model is configured with 10-groove and 6-groove pulleys and provides a 20% overdrive (OD) to increase accessory or supercharger drive speeds. The assembly includes an integrated A\/C pulley, ensuring all factory drive systems remain functional while upgrading to a race-proven damping solution.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits Ford Coyote 5.0 engines\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI918048\u003c\/li\u003e\n\u003cli\u003eShell Material: Lightweight Aluminum\u003c\/li\u003e\n\u003cli\u003eDiameter: 8.074 inches\u003c\/li\u003e\n\u003cli\u003ePulley Configuration: 10 \u0026amp; 6-Groove\u003c\/li\u003e\n\u003cli\u003eDrive Ratio: 20% Overdrive (OD)\u003c\/li\u003e\n\u003cli\u003eIncludes integrated A\/C pulley\u003c\/li\u003e\n\u003cli\u003eTunable and rebuildable design for long-term engine protection\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011654509,"sku":"APPATI918048","price":588.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-8-074in-alum-10-6-grv-ford-coyote-5-0-20-per-od-w-a-c-pulle-square.jpg?v=1783354881"},{"product_id":"ati-damper-7-81in-alum-6-10-grv-ford-gt-500-5-4-5-8-07-14-10-percent-od-size","title":"ATI Super Damper 7.81in Aluminum 10% Overdrive 6\/10-Groove for Ford GT500 2007-2014 (5.4L \/ 5.8L) ATI918049","description":"\u003cp\u003eFits 2007-2014 Ford Mustang Shelby GT500 (5.4L \/ 5.8L).\u003c\/p\u003e\n\u003cp\u003eThe ATI Super Damper is engineered to eliminate torsional crankshaft vibrations and protect your engine at high RPMs. This 7.81-inch aluminum-shell harmonic balancer features a 10% overdrive diameter, specifically designed to increase supercharger boost and accessory drive speed on Ford modular engines. Its dual-pulley design accommodates both 6-groove and 10-groove serpentine belt configurations, providing a high-performance solution for street and track-driven GT500s.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer Part Number: ATI918049\u003c\/li\u003e\n  \u003cli\u003eOuter Diameter: 7.81 inches\u003c\/li\u003e\n  \u003cli\u003eMaterial: High-quality lightweight aluminum shell\u003c\/li\u003e\n  \u003cli\u003eDrive Type: 10% Overdrive size\u003c\/li\u003e\n  \u003cli\u003ePulley Configuration: 6-Groove and 10-Groove\u003c\/li\u003e\n  \u003cli\u003eFitment: 2007-2014 Ford GT500 (5.4L \/ 5.8L)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011720045,"sku":"APPATI918049","price":578.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-81in-alum-6-10-grv-ford-gt-500-5-4-5-8-07-14-10-percent-o-square.jpg?v=1783354881"},{"product_id":"ati-damper-7-48in-alum-8-6-grv-ford-coyote-5-0l-10-per-od-w-a-c-pulley","title":"ATI Damper 7.48in Aluminum 8 \u0026 6-Groove 10% Overdrive for Ford Coyote (5.0L) ATI918052","description":"\u003cp\u003eFits Ford Coyote 5.0L engines.\u003c\/p\u003e\u003cp\u003eThis ATI harmonic damper is engineered to provide maximum protection against torsional crankshaft vibrations, which is critical for high-performance Ford Coyote 5.0L builds. Featuring an aluminum outer shell to reduce rotational mass, this 7.48-inch unit is designed with a 10% overdrive to increase accessory drive speeds for improved performance in specific racing applications.\u003c\/p\u003e\u003cp\u003eBuilt to exacting tolerances, this damper includes both 8-groove and 6-groove pulley surfaces and comes equipped with an integrated A\/C pulley to maintain full accessory functionality. It is a direct replacement for the factory unit, bolting to the crankshaft to ensure engine longevity under high-RPM conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI918052\u003c\/li\u003e\n\u003cli\u003eDiameter: 7.48 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum outer shell\u003c\/li\u003e\n\u003cli\u003eConfiguration: 8-groove and 6-groove\u003c\/li\u003e\n\u003cli\u003eOverdrive: 10% Overdrive (OD)\u003c\/li\u003e\n\u003cli\u003eIncludes integrated A\/C pulley\u003c\/li\u003e\n\u003cli\u003eFits Ford Coyote 5.0L engines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011785581,"sku":"APPATI918052","price":578.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-48in-alum-8-6-grv-ford-coyote-5-0l-10-per-od-w-a-c-pulley-square.jpg?v=1783354881"},{"product_id":"ati-ford-coyote-5-0l-6-78in-6-4-grv-damper-w-ac-pulley-kit-oem-size-sk1473","title":"ATI Super Damper Ford Coyote 5.0L 6.78in 6 \u0026 4 Groove Damper with AC Pulley Kit (SK1473) - ATI918055","description":"\u003cp\u003eProtect your high-performance Ford 5.0L Coyote engine from destructive torsional crankshaft vibrations with the ATI Super Damper. This comprehensive kit (MPN ATI918055) features a 6.78-inch damper with both 6 and 4-groove pulley profiles, specifically designed to maintain the OEM accessory drive sizing (SK1473) while providing superior harmonic damping.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits Ford 5.0L Coyote engines\u003c\/li\u003e\n\u003cli\u003e6.78-inch diameter maintains OEM pulley ratios\u003c\/li\u003e\n\u003cli\u003eDual pulley design with 6 and 4-groove configurations\u003c\/li\u003e\n\u003cli\u003eIncludes complete AC pulley kit for seamless installation\u003c\/li\u003e\n\u003cli\u003eBlack shell finish with laser-engraved timing marks\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI918055\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBy eliminating torsional vibration, this damper helps prevent oil pump gear failure and internal engine wear, making it an essential upgrade for both street and track-driven Coyote platforms.\u003c\/p\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011851117,"sku":"APPATI918055","price":578.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-ford-coyote-5-0l-6-78in-6-4-grv-damper-w-ac-pulley-kit-oem-size-sk-square.jpg?v=1783354881"},{"product_id":"ati-damper-6-78in-alum-6-grv-mitsubishi-evo-8-4g63-w-integra-lower-cam-drive","title":"ATI Super Damper 6.78in Aluminum 6-Groove Harmonic Balancer for Mitsubishi Evo 8 (4G63) w\/ Integra Lower Cam Drive","description":"\u003cp\u003eFits Mitsubishi Evolution 8 models equipped with the 4G63 engine. This ATI Super Damper is engineered to eliminate torsional crankshaft vibrations that can lead to catastrophic engine failure, providing critical protection for high-performance builds and high-RPM applications.\u003c\/p\u003e\n\u003cp\u003eConstructed with a lightweight aluminum hub and shell to reduce rotating mass, this 6.78-inch balancer features a 6-groove pulley design. It is specifically configured for compatibility with the Integra lower cam drive system, ensuring precise timing and accessory drive performance. Each unit is designed to exceed SFI 18.1 safety ratings for competition use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDiameter: 6.78 inches\u003c\/li\u003e\n  \u003cli\u003eMaterial: Aluminum hub and shell\u003c\/li\u003e\n  \u003cli\u003ePulley Configuration: 6-groove\u003c\/li\u003e\n  \u003cli\u003eFeature: Integrated Integra lower cam drive\u003c\/li\u003e\n  \u003cli\u003eEngine: Mitsubishi 4G63\u003c\/li\u003e\n  \u003cli\u003eManufacturer Part Number: ATI918250\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011916653,"sku":"APPATI918250","price":437.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-78in-alum-6-grv-mitsubishi-evo-8-4g63-w-integra-lower-cam-square.jpg?v=1783354884"},{"product_id":"ati-damper-6-78in-alum-2-4-grv-mitsubishi-eclipse-4g63-w-integral-lower-cam-drive","title":"ATI Super Damper 6.78\" Aluminum Harmonic Balancer (2) 4-Groove for Mitsubishi Eclipse (4G63) - ATI918251","description":"\u003cp\u003eProtect your high-performance 4G63 engine from destructive torsional crankshaft vibrations with the ATI Super Damper. Designed specifically for the Mitsubishi Eclipse, this harmonic balancer features a lightweight 6.78-inch aluminum outer shell to reduce parasitic drag while providing superior vibration damping across the entire RPM range.\u003c\/p\u003e\n\u003cp\u003eEngineered for professional builds, this unit features dual 4-groove pulleys and an integral lower cam drive, ensuring precise timing and reliable accessory drive performance. Unlike factory dampers that use a bonded rubber elastomer susceptible to cracking and failure, ATI dampers utilize high-quality O-rings to maintain timing accuracy and protect internal engine components under extreme racing conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Mitsubishi Eclipse models with the 4G63 engine.\u003c\/li\u003e\n  \u003cli\u003eManufacturer Part Number: ATI918251\u003c\/li\u003e\n  \u003cli\u003eDiameter: 6.78 inches\u003c\/li\u003e\n  \u003cli\u003eMaterial: Aluminum outer shell\u003c\/li\u003e\n  \u003cli\u003ePulley Configuration: (2) 4-Groove pulleys\u003c\/li\u003e\n  \u003cli\u003eIncludes integral lower cam drive\u003c\/li\u003e\n  \u003cli\u003eLaser-etched timing marks for easy adjustment\u003c\/li\u003e\n  \u003cli\u003eSFI 18.1 Safety Rated\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342011982189,"sku":"APPATI918251","price":437.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-78in-alum-2-4-grv-mitsubishi-eclipse-4g63-w-integral-lowe-square.jpg?v=1783354885"},{"product_id":"ati-damper-5-67in-alum-6-grv-mitsubishi-evo-10-3-percent-ud-08-1pc","title":"ATI Performance Products Super Damper 5.67in Aluminum Harmonic Balancer for 2008+ Mitsubishi Lancer Evolution X - 3% Underdrive (6-Groove)","description":"\u003cp\u003eFits 2008+ Mitsubishi Lancer Evolution X models.\u003c\/p\u003e\n\u003cp\u003eThe ATI Super Damper provides superior protection for your engine's rotating assembly by neutralizing damaging torsional crankshaft vibrations. Engineered specifically for the Mitsubishi Evo 10, this 5.67-inch harmonic balancer features a lightweight aluminum shell and a 3% underdrive design. By reducing the speed of engine accessories, the underdrive pulley minimizes parasitic drag to improve throttle response and power delivery.\u003c\/p\u003e\n\u003cp\u003eThis high-performance damper is built for durability and precision, utilizing a 6-groove serpentine belt profile and a 1-piece design. It is a critical upgrade for any high-revving Evolution X build where maintaining engine harmonics and protecting main bearings is essential.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer Part Number: ATI918253\u003c\/li\u003e\n  \u003cli\u003eOuter Diameter: 5.67 inches\u003c\/li\u003e\n  \u003cli\u003eMaterial: Aluminum Shell\/Hub\u003c\/li\u003e\n  \u003cli\u003ePulley Type: 6-Groove Serpentine\u003c\/li\u003e\n  \u003cli\u003eUnderdrive: 3% Reduction\u003c\/li\u003e\n  \u003cli\u003eConstruction: 1-Piece Assembly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342012047725,"sku":"APPATI918253","price":372.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-5-67in-alum-6-grv-mitsubishi-evo-10-3-percent-ud-08-1pc-square.jpg?v=1783354884"},{"product_id":"ati-damper-6-78in-alum-6-grv-dodge-05-10-5-percent-od-non-vvt-6-1l-392-426-3-ring","title":"ATI Super Damper 6.78in Aluminum 6-Groove 5% OD Harmonic Balancer for Dodge 2005-2010 Non-VVT 6.1L\/392\/426 (6.1L) ATI918432","description":"\u003cp\u003eFits 2005-2010 Dodge models equipped with the 6.1L HEMI (Non-VVT).\u003c\/p\u003e\u003cp\u003eThe ATI Super Damper is engineered to provide maximum protection against engine-destroying torsional vibrations. This high-performance harmonic balancer is specifically designed for Dodge 6.1L, 392, and 426 Non-VVT engines. Featuring a 6.78-inch aluminum shell and a 3-ring internal design, it offers a weight-saving construction without sacrificing durability. The integrated 6-groove serpentine pulley provides a 5% overdrive, increasing accessory drive speed for improved performance at high RPMs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI918432\u003c\/li\u003e\n\u003cli\u003eShell Material: Aluminum\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 6.78 inches\u003c\/li\u003e\n\u003cli\u003eBelt Profile: 6-groove serpentine\u003c\/li\u003e\n\u003cli\u003eOverdrive: 5%\u003c\/li\u003e\n\u003cli\u003eDesign: 3-ring elastomer internal\u003c\/li\u003e\n\u003cli\u003eApplication: Non-VVT engines only\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342012113261,"sku":"APPATI918432","price":418.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-78in-alum-6-grv-dodge-05-10-5-percent-od-non-vvt-6-1l-392-square.jpg?v=1783354885"},{"product_id":"ati-damper-7-48in-alum-6-grv-dodge-05-10-17-per-od-non-vvt-6-1l-392-426-3-ring","title":"ATI Super Damper 7.48in Aluminum 6-Groove 17% Overdrive for Dodge 2005-2010 (6.1L) ATI918437","description":"\u003cp\u003eFits select 2005-2010 Dodge models (6.1L).\u003c\/p\u003e\u003cp\u003eProtect your engine's rotating assembly with the ATI Super Damper harmonic balancer. Engineered to eliminate torsional crankshaft vibrations across all RPM ranges, this high-performance damper features a 7.48-inch aluminum shell with a 17% overdrive ratio and 6-groove pulley design. Specifically calibrated for Non-VVT engine applications, the 3-ring assembly provides superior damping over the factory unit for improved reliability during high-performance use.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: ATI918437\u003c\/li\u003e\n\u003cli\u003eShell Material: Aluminum\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 7.48 inches\u003c\/li\u003e\n\u003cli\u003eOverdrive: 17%\u003c\/li\u003e\n\u003cli\u003eBelt Profile: 6-Groove\u003c\/li\u003e\n\u003cli\u003eEngine Compatibility: Non-VVT 6.1L \/ 392 \/ 426 Hemi\u003c\/li\u003e\n\u003cli\u003eAssembly: 3-Ring design\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342012178797,"sku":"APPATI918437","price":437.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-48in-alum-6-grv-dodge-05-10-17-per-od-non-vvt-6-1l-392-42-square.jpg?v=1783354887"},{"product_id":"ati-damper-7-48in-alum-8-grv-dodge-2009-5-7l-6-4l-hemi-truck-3-ring","title":"ATI Super Damper 7.48\" Aluminum 8-Groove Harmonic Balancer for 2009+ Dodge RAM (5.7L \/ 6.4L) ATI918452","description":"\u003cp\u003eFits select 2009-2024 Dodge RAM trucks (5.7L \/ 6.4L Hemi).\u003c\/p\u003e\u003cp\u003eThe ATI Super Damper is engineered to provide maximum protection against torsional crankshaft vibrations that can lead to engine wear and component failure. This 7.48-inch harmonic balancer features a lightweight aluminum shell and a high-performance 3-ring internal design, specifically tuned to maintain engine harmonics across a wide RPM range. By replacing the factory unit with this precision-balanced component, you ensure better valvetrain stability and increased longevity for your Hemi engine.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDiameter: 7.48 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: Lightweight aluminum construction\u003c\/li\u003e\n\u003cli\u003ePulley Configuration: Integrated 8-groove serpentine belt drive\u003c\/li\u003e\n\u003cli\u003eInternal Design: High-performance 3-ring inertia weight system\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI918452\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342012244333,"sku":"APPATI918452","price":461.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-48in-alum-8-grv-dodge-2009-5-7l-6-4l-hemi-truck-3-ring-square.jpg?v=1783354888"},{"product_id":"ati-damper-7-074in-alum-honda-d-4-grv-rear-aluminum-pulley-10-percent-underdrive","title":"ATI Super Damper 7.074in Aluminum Harmonic Balancer for Honda D-Series, 10% Underdrive (ATI918456)","description":"\u003cp\u003eProtect your Honda D-series engine from destructive crankshaft harmonics with the ATI Super Damper. This high-performance harmonic balancer is engineered to provide maximum protection for high-RPM use by absorbing torsional vibrations that standard OE dampers cannot handle.\u003c\/p\u003e\u003cp\u003eThis specific unit features a 7.074-inch aluminum shell for significant weight savings and is designed with a 10% underdrive ratio. This reduction in size slows down accessory speeds, effectively reclaiming horsepower by reducing parasitic drag on the engine. It includes a 4-groove rear pulley specifically configured for Honda D-series applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits Honda D-series engines\u003c\/li\u003e\n\u003cli\u003eMain shell diameter: 7.074 inches\u003c\/li\u003e\n\u003cli\u003eLightweight aluminum construction\u003c\/li\u003e\n\u003cli\u003e10% underdrive for reduced accessory drag\u003c\/li\u003e\n\u003cli\u003e4-groove rear pulley configuration\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI918456\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342012309869,"sku":"APPATI918456","price":461.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-074in-alum-honda-d-4-grv-rear-aluminum-pulley-10-percent-square.jpg?v=1783110760"},{"product_id":"ati-damper-6-78in-alum-6-grv-dodge-2011-vvt-6-percent-od-5-7l-6-4l-hemi-3-ring","title":"ATI Super Damper 6.78\" 3-Ring Aluminum 6-Groove 6% Overdrive for 2011+ Dodge VVT (5.7L \/ 6.4L) ATI918459","description":"\u003cp\u003eFits 2011+ Dodge vehicles equipped with 5.7L and 6.4L Hemi VVT engines.\u003c\/p\u003e\n\u003cp\u003eThe ATI Super Damper harmonic balancer is engineered to eliminate torsional crankshaft vibrations across all RPM ranges, providing more consistent timing and preventing engine wear. Unlike factory dampers with bonded rubber that can deteriorate, this 3-ring design utilizes high-durometer O-rings for superior vibration damping. This specific model features a 6% overdrive shell to increase accessory drive speeds and is constructed with a lightweight aluminum shell to reduce rotational mass.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer Part Number: ATI918459\u003c\/li\u003e\n  \u003cli\u003eOuter Diameter: 6.78 inches\u003c\/li\u003e\n  \u003cli\u003eMaterial: Aluminum shell with 3-ring internal design\u003c\/li\u003e\n  \u003cli\u003ePulley Profile: 6-Groove serpentine belt\u003c\/li\u003e\n  \u003cli\u003eOverdrive Ratio: 6% Overdrive\u003c\/li\u003e\n  \u003cli\u003eEngine Compatibility: Variable Valve Timing (VVT) Hemi applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342012375405,"sku":"APPATI918459","price":437.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-6-78in-alum-6-grv-dodge-2011-vvt-6-percent-od-5-7l-6-4l-hem-square.jpg?v=1783354888"},{"product_id":"ati-damper-5-67in-alum-6-grv-honda-f20-f22-7-percent-od-street-3-ring-1pc","title":"ATI Super Damper Harmonic Balancer for Honda F20\/F22, 5.67in 6-Groove 7% OD Aluminum, 3-Ring (ATI918464)","description":"\u003cp\u003eDesigned for high-performance street applications, the ATI Super Damper Harmonic Balancer provides essential protection for your Honda F20 or F22 engine by eliminating harmful crankshaft torsional vibrations. Unlike factory dampers that use a single bonded elastomer, this ATI Street series damper features a patented 3-ring design with high-durometer internal O-rings to maintain timing accuracy and prevent bearing wear throughout the RPM range.\u003c\/p\u003e\n\u003cp\u003eThis model (ATI918464) is engineered with a lightweight aluminum shell to reduce rotating mass and features a 7% overdrive (OD) ratio, slightly increasing accessory speeds to ensure optimal charging and cooling on modified street builds. It is a direct replacement for the factory unit, utilizing the standard 6-groove belt configuration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Fits Honda F20 and F22 engines (S2000)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Lightweight aluminum shell and hub\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePulley Design:\u003c\/strong\u003e 5.67-inch diameter with 6-groove serpentine belt profile\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Ratio:\u003c\/strong\u003e 7% Overdrive for enhanced accessory performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDamping Tech:\u003c\/strong\u003e Patented 3-ring internal elastomer configuration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e ATI918464\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342012440941,"sku":"APPATI918464","price":366.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-5-67in-alum-6-grv-honda-f20-f22-7-percent-od-street-3-ring-square.jpg?v=1783110760"},{"product_id":"ati-damper-6-78in-alum-4-6-grv-honda-h22-street-4-percent-9-percent-od-sizes","title":"ATI Super Damper Street Harmonic Balancer for Honda H22 - 6.78in Aluminum - 4 \u0026 6 Groove - 4% \u0026 9% OD - ATI918468","description":"\u003cp\u003eEngineered for high-performance street use, the ATI Super Damper Harmonic Balancer (MPN: ATI918468) provides superior protection against harmful torsional crankshaft vibrations on Honda H22 engines. Unlike standard OEM dampers, this unit features a lightweight 6.78-inch aluminum shell and a tunable design to ensure engine longevity under increased loads and higher RPM ranges.\u003c\/p\u003e\u003cp\u003eThis damper is designed with a dual-pulley configuration featuring 4 and 6-groove pulleys. The overdriven sizes (4% and 9%) allow for increased accessory drive speeds, making it a critical upgrade for modified H22 builds that demand precise crankshaft harmonics management.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits Honda H22 engines\u003c\/li\u003e\n\u003cli\u003eDiameter: 6.78 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: Lightweight Aluminum shell\u003c\/li\u003e\n\u003cli\u003eConfiguration: 4 \u0026amp; 6 Groove pulleys\u003c\/li\u003e\n\u003cli\u003eOverdrive: 4% and 9% OD sizes\u003c\/li\u003e\n\u003cli\u003eSeries: Street Super Damper\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI918468\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342012506477,"sku":"APPATI918468","price":437.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/2edc992a3dcf26c4ba968884fb9ae09c.jpg?v=1779052359"},{"product_id":"ati-damper-7-074in-alum-honda-b-race-damper-4-grv-steel-hub-2-ring","title":"ATI Super Damper Race Harmonic Balancer for Honda B-Series - 7.074in Aluminum 4-Groove Steel Hub - ATI918471","description":"\u003cp\u003eEngineered for high-performance Honda B-series engines, the ATI Super Damper Race Series harmonic balancer provides essential protection against damaging torsional crankshaft vibrations. This 7.074-inch diameter damper is specifically tuned for race applications where precision and durability are critical to maintaining engine longevity and valvetrain stability at high RPM.\u003c\/p\u003e\u003cp\u003eThis unit features a lightweight aluminum outer shell to minimize rotational inertia and a robust 4-groove steel hub for a high-strength connection to the crankshaft. The 2-ring internal elastomer design effectively absorbs harmonics that stock balancers cannot handle, preventing oil pump failure and bearing wear in demanding environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits Honda B-series engines\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 7.074 inches\u003c\/li\u003e\n\u003cli\u003eShell Material: Aluminum\u003c\/li\u003e\n\u003cli\u003eHub Material: 4-Groove Steel\u003c\/li\u003e\n\u003cli\u003eDesign: 2-Ring Elastomer Race Series\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: ATI918471\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATI","offers":[{"title":"Default Title","offer_id":53342012572013,"sku":"APPATI918471","price":383.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/4191\/7805\/files\/ati-damper-7-074in-alum-honda-b-race-damper-4-grv-steel-hub-2-ring-square.jpg?v=1783354888"}],"url":"https:\/\/atlusauto.com\/collections\/crankshaft-dampers.oembed?page=6","provider":"Atlus Automotive","version":"1.0","type":"link"}