Fits 2006-2010 Chevrolet and GMC 6.6L Duramax LBZ and LMM diesel engines.

Protect 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.

• Diameter: 7.425 inches
• Shell Material: High-quality steel construction
• Pulley Profile: 6-groove
• Balance Type: External balance
• Engine Fitment: Duramax LBZ & LMM (2006-2010)
• Manufacturer Part Number: ATI917369

Fits Cummins 4BT and 6BT diesel engines (3.9L / 5.9L).

The 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.

• Diameter: 8.074 in
• Material: Steel
• Belt Profile: 8-Groove Serpentine
• Internal Design: 3-Ring
• Engine Compatibility: 4BT / 6BT (3.9L / 5.9L)
• Manufacturer Part Number: ATI917365

Fits select 1997-2013 Chevrolet Corvette (Y-Body), Chevrolet SS, and Pontiac G8 models equipped with LS1, LS2, LS3, LS6, or L76 engines.

The 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.

• Diameter: 7.425 inches
• Construction: Lightweight Steel hub and shell
• Groove Configuration: 8-Groove and 4-Groove
• Design: 3-Ring internal elastomer
• Engineered for high-RPM durability and crank protection
• Manufacturer Part Number: ATI917345

Fits select Ford vehicles equipped with 3.3L, 3.5L, and 3.7L V6 engines.

The 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.

• Manufacturer Part Number: ATI917317
• Diameter: 6.78 inches
• Material: High-quality Aluminum hub and shell
• Pulley Style: 6-Groove serpentine
• Engine Compatibility: 3.3L, 3.5L, and 3.7L V6
• Controls vibrations across the entire RPM range
• SFI 18.1 safety rated for competition use

Fits 2014-2024 Chevrolet Corvette models equipped with LT1 or LT4 engines and dry sump oiling systems.

Protect 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.

The 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.

• Manufacturer Part Number: ATI917315
• Diameter: 7.48 inches
• Material: Lightweight Aluminum
• Belt Profile: 6-Groove Serpentine
• Mounting: 6-Bolt Hub
• Engine Compatibility: LT1 / LT4 (Dry Sump Only)
• Excludes Supercharger (SC) Pulley

Fits 2014+ Chevrolet Corvette models equipped with the LT1 engine.

The 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.

• Manufacturer Part Number: ATI917314
• Diameter: 7.48 inches
• Shell Material: Lightweight Aluminum
• Belt Profile: 6-Groove Serpentine
• Mounting Style: 6-Bolt Hub
• Engine Compatibility: GM LT1
• Finish: Black Zinc Chromate with Laser-Engraved Timing Marks

Fits select 1997-2013 Chevrolet Corvette (Y-Body), SS, and Pontiac G8 equipped with LS1, LS2, LS3, LS6, or L76 engines.

The 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.

• Part Number: ATI917304
• Diameter: 7.48 inches
• Material: Lightweight Aluminum Shell
• Pulley Configuration: 6-Groove Serpentine
• Auxiliary Drive: 28-Tooth 8mm HTD
• Internal Design: 3-Ring Elastomer
• Fitment: 1997-2013 Y-Body Corvette, Pontiac G8, and Chevy SS (LS Engines)

Engineered 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.

Unlike 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.

• Fits LS1 and LS2 engines in F-Body and V-Body platforms
• Lightweight aluminum construction for reduced rotational inertia
• 7.48-inch diameter with 6-groove serpentine belt profile
• Performance 3-ring design optimized for engine harmonics
• Configured for vehicles without air conditioning (No A/C)
• Laser-etched timing marks for easy adjustment
• Manufacturer Part Number: ATI917302

Fits select 1997-2013 GM vehicles equipped with LS1, LS2, LS3, LS6, or L76 engines.

The 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.

• Diameter: 6.78 inches
• Material: Lightweight Aluminum shell
• Design: Internal 3-ring elastomeric configuration
• Front Drive: 6-groove serpentine belt
• Rear Drive: Integrated 28T 8mm HTD drive
• Performance: 10% underdrive reduces accessory load
• Fitment: LS1, LS2, LS3, LS6, and L76 engines (1997-2013)
• Manufacturer Part Number: ATI917289

Fits 2010-2015 Chevrolet Camaro (LS3) and GM Gen 3 Vortec Truck models with LS-series engines.

The 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.

• Manufacturer Part Number: ATI917286
• Diameter: 7.425 inches
• Construction: Lightweight Steel
• Design: 3 Ring Shell
• Grooves: 6-rib and 4-rib Serpentine
• Application: LS3 Camaro and GM Gen 3 Vortec Truck
• Functions as a direct replacement for the factory harmonic balancer

Fits 1997-2013 Chevrolet Corvette (Y-Body) models equipped with LS1, LS2, LS3, or LS6 engines.

The 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.

• Construction: High-performance aluminum hub and shell
• Pulley Configuration: 6-groove main / 4-groove A/C
• Underdrive: 10% underdrive on both main and A/C accessories
• Damper Diameter: 6.78 inches
• Design: 3-ring internal inertia weights for maximum vibration control
• Application: Specific to Y-Body accessory spacing (Corvette)
• Manufacturer Part Number: ATI917278

Fits LS1 and LS2 engines in F-Body and V-Body platforms configured without A/C.

The 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.

• Manufacturer Part Number: ATI917277
• Outer Diameter: 6.78 inches
• Material: Lightweight aluminum shell
• Drive Type: 6-Groove serpentine
• Underdrive: 10% reduction
• Configuration: 3-Ring Super Damper
• Fitment: LS1/LS2 F-Body and V-Body (No A/C applications)

Fits select 1997-2013 Chevrolet Corvette (Y-Body), Pontiac G8, and Chevrolet SS equipped with LS1, LS2, LS3, LS6, and L76 engines.

The 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.

• Shell Material: Lightweight Aluminum (LW)
• Diameter: 7.48 inches
• Groove Configuration: 6-rib main drive and 4-rib A/C drive
• Design: 3-Ring internal elastomer for maximum harmonic control
• Compatibility: Direct fit for Y-Body (Corvette) and select performance sedan belt offsets
• Manufacturer Part Number: ATI917266

Fits 1997-2013 Chevrolet Corvette (Y-Body), Chevrolet SS, and Pontiac G8 models equipped with LS1, LS2, LS3, LS6, or L76 engines.

The 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.

• Manufacturer Part Number: ATI917246
• Diameter: 7.425 inches
• Material: Lightweight Steel construction
• Pulley Configuration: 6-rib and 4-rib grooves
• Internal Design: 3-Ring inertia weights
• Engine Compatibility: LS1, LS2, LS3, LS6, and L76
• SFI 18.1 Safety Rated for competition use

Fits select LS1 and LS2 powered F-Body and V-Body vehicles.

The 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.

• Manufacturer Part Number: ATI917242
• Diameter: 7.425 inches
• Material: Lightweight Steel
• Configuration: 6-Groove and 4-Groove
• Internal Design: 3 Ring Dampening
• Application: LS1 and LS2 F-Body / V-Body Platforms

The 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.

• Manufacturer Part Number: ATI917060
• Diameter: 7.074 inches
• Material: High-tensile steel construction
• Design: 3-ring internal inertia weight, 1-piece shell
• Fitment: Big Block Chevy (BBC) engines
• Application: Replaces OEM or worn balancers to improve vibration damping

Fits 2009-2015 Cadillac CTS-V (LSA).

Engineered for high-performance LSA applications, this ATI Supercharger Drive Pulley Shell allows you to increase boost levels by spinning the supercharger faster. With a 9.77-inch diameter and a 10-groove belt profile, this pulley provides a 25% overdrive ratio compared to the factory setup. It is designed to bolt directly to an ATI Super Damper hub, offering a precise, balanced solution for forced induction engines requiring high-load durability and reliable belt alignment.

• Manufacturer Part Number: ATI916159
• Outer Diameter: 9.77 inches
• Belt Width: 10-Groove
• Overdrive Percentage: 25%
• Material: High-strength construction for high-RPM stability
• Fitment: Specifically for LSA-equipped Cadillac CTS-V models

Fits 2009-2015 Cadillac CTS-V (LSA).

This ATI Super Damper shell is engineered to provide superior harmonic dampening for the LSA engine while maintaining the factory 7.99-inch diameter. This 8-groove pulley is an ideal choice for owners looking to replace a worn factory component or those performing a build that requires the reliability of an ATI damper without altering the stock boost levels provided by the OEM pulley ratio.

Built to exacting tolerances, this drive pulley ensures proper belt alignment and long-term durability under high-load supercharged conditions. It is designed to bolt onto compatible ATI Super Damper hubs to provide a high-performance alternative to the factory cast-iron unit.

• Manufacturer Part Number: ATI916153
• Diameter: 7.99 inches (OEM Size)
• Belt Profile: 8-Groove serpentine
• Engine Compatibility: GM LSA (6.2L Supercharged V8)
• Application: Supercharger drive

Fits 2009-2015 Cadillac CTS-V models equipped with the 6.2L LSA engine.

This ATI Performance Products supercharger pulley is engineered to increase boost pressure by spinning the supercharger faster than the factory drive ratio. With a 10% overdrive configuration and a precision-machined 8.86-inch diameter, this 8-groove pulley is a critical upgrade for LSA owners seeking higher output from their forced induction system. It is designed to work seamlessly with ATI Super Dampers to provide reliable performance and belt alignment under high-load conditions.

• Manufacturer Part Number: ATI916106
• Pulley Diameter: 8.86 inches
• Overdrive Ratio: 10% over stock
• Belt Profile: 8-Groove (8-rib)
• Engine Application: GM 6.2L LSA V8
• Precision machined for exact tolerances and durability