Installing a harmonic balancer correctly is critical to the longevity of your crankshaft and engine bearings. This ATI metric adapter stud and washer kit is engineered to properly seat the damper onto the crankshaft snout on GM Duramax and Toyota 2JZ engines, preventing the thread damage common when using standard bolts to pull the damper into place.

Fits GM Duramax and Toyota 2JZ engines requiring an M18x1.5 thread pitch.

• Thread Size: M18 x 1.5
• Length: 3.0"
• Compatibility: GM Duramax and Toyota 2JZ crankshafts
• Application: Harmonic damper installation
• Hardware: Includes high-strength installation stud and matching washer

By using an installation-specific stud, you ensure full thread engagement within the crankshaft before applying the force necessary to press the damper home. This is a must-have tool for any tech or DIY builder working on high-performance 2JZ or heavy-duty Duramax platforms.

Fits 2016-present Cadillac CTS-V and Chevrolet Camaro ZL1.

This ATI Performance Products 9.34-inch supercharger pulley shell is engineered to increase boost pressure on LT4 engines by providing a 15% overdrive ratio. Designed to bolt onto an ATI Super Damper hub, this pulley spins the supercharger faster than the factory diameter, delivering a significant increase in airflow for higher horsepower and torque levels. The 8-groove design ensures maximum belt surface contact to prevent slip under high-load conditions.

• Diameter: 9.34 inches
• Belt Profile: 8-Groove
• Overdrive Rating: 15% Overdrive
• Material: High-strength precision-machined construction
• Compatibility: Requires ATI Super Damper hub for installation
• Application: 2016+ Cadillac CTS-V and Chevrolet Camaro ZL1 (LT4)

Fits 2014+ Chevrolet/GM LT1 and LT4 engines equipped with a dry sump oiling system.

This ATI Performance Products supercharger pulley shell is engineered to increase boost pressure by spinning the blower faster than the stock configuration. Designed for high-performance LT-series builds, this 9.40-inch pulley features an 8-groove (8-rib) belt profile and provides a 15% overdrive (OD) ratio. It is designed to bolt onto an existing ATI Super Damper hub, offering a precise fit and durable operation for track and street-performance applications.

• Pulley Diameter: 9.40 inches
• Belt Profile: 8-Groove (8-Rib)
• Overdrive Ratio: 15%
• Engine Compatibility: GM LT1 and LT4 (2014-Present)
• Oiling System: Dry Sump only
• Increases supercharger RPM for higher boost potential

Engineered for the LS9 engine in the Chevrolet Corvette ZR1 (Y-Body), this ATI Super Damper provides superior protection against torsional crankshaft vibrations while increasing performance. This 8.53-inch diameter balancer features a 14% overdrive, allowing you to spin the supercharger faster for increased boost levels without changing the upper pulley.

The lightweight aluminum construction reduces rotational mass, improving throttle response and reducing wear on main bearings. This unit is designed with a dual-pulley configuration, featuring an 11-groove drive for the supercharger and a 6-groove drive for the accessory belt system.

• Fits Chevrolet Corvette ZR1 (Y-Body) with LS9 engine
• Damper Diameter: 8.53 inches
• Overdrive Rating: 14%
• Pulley Grooves: 11-Groove Supercharger / 6-Groove Accessory
• Material: High-quality Aluminum
• Controls engine harmonics for increased component longevity

This ATI Performance Products steel crank hub is engineered for high-performance LS and LT engine builds where reliability and rotational precision are critical. Designed to provide a robust, stable connection between the crankshaft and the harmonic balancer, this hub helps ensure accurate timing and reduced torsional vibration—essential for high-RPM operation and forced-induction applications.

• Precision-machined from high-strength steel for maximum durability and fatigue resistance
• Designed for seamless integration with ATI Super Dampers
• Direct fit for Chevrolet Y-Body (Corvette), Camaro, Cadillac CTS-V, and Pontiac G8 platforms
• Maintains critical engine balance to protect internal components during aggressive driving

Fits select 1997-2024 Chevrolet Corvette, Camaro, Cadillac CTS-V, and Pontiac G8 models equipped with LS1, LS2, LS3, LS6, L76, LSA, LT1, or LT4 engines.

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

The ATI Super Damper is engineered to eliminate destructive torsional crankshaft vibrations across the entire RPM range. This lightweight aluminum model reduces parasitic drag and rotating mass compared to steel versions, improving throttle response and engine acceleration. The patented 3-ring internal design uses high-quality elastomer rings to absorb harmonic resonance that can otherwise lead to oil pump failure and crankshaft damage.

This specific unit features a 6-groove serpentine belt pulley and is designed for performance applications that have deleted the air conditioning system or utilize a non-A/C accessory drive layout.

• Main Diameter: 7.48 inches
• Shell Material: Lightweight Aluminum
• Pulley Configuration: 6-Groove Serpentine
• Internal Design: High-performance 3-ring elastomer setup
• Application: No A/C configurations
• Fitment: LS1, LS2, LS3, LS6, and L76 engines
• Safety: Exceeds SFI 18.1 specifications

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

Increase boost pressure and optimize engine performance with this ATI 9.00-inch supercharger drive pulley. Engineered as a 10% overdrive component, this pulley increases the rotational speed of the supercharger relative to the crankshaft, providing a measurable gain in forced induction efficiency. The precision-machined 8-groove (8-rib) profile ensures maximum belt surface contact to prevent slip during high-RPM transitions. Designed specifically for dry sump configurations, this pulley maintains perfect belt alignment within the accessory drive system of the LT engine platform.

• Pulley Diameter: 9.00 inches
• Belt Profile: 8-Groove / 8-Rib
• Overdrive Rating: 10%
• Engine Compatibility: GM LT1 and LT4
• Oiling System: Dry Sump only
• Fitment Years: 2014-2024

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

This ATI supercharger drive pulley is engineered for the GM LSA engine, providing a 5% overdrive to increase blower RPM and boost pressure. Designed to bolt directly to an ATI Super Damper hub, this pulley ensures precise belt alignment and high-RPM stability for forced induction applications. It is precision-machined to exacting tolerances to maintain balance and reduce harmonic vibrations, protecting your engine's bottom end while maximizing performance.

• Manufacturer Part Number: ATI916105
• Pulley Diameter: 8.46 inches
• Belt Profile: 8-Rib
• Overdrive Ratio: 5%
• Compatible Engine: 6.2L LSA Supercharged V8
• Precision machined for perfect balance and durability

Fits 2009+ Dodge Hemi Trucks (5.7L / 6.4L).

The ATI Super Damper provides essential protection for your engine by neutralizing destructive torsional crankshaft vibrations. This high-performance harmonic balancer is engineered with an aluminum outer shell to minimize rotational weight and features a 2-ring design for superior damping. The 15% underdrive 6-groove pulley reduces the speed of engine accessories, freeing up horsepower for the wheels without sacrificing dampening efficiency.

• Manufacturer Part Number: ATI918454
• Diameter: 7.074 inches
• Pulley Style: 6-Groove Serpentine
• Performance Rating: 15% Underdrive
• Material: Aluminum shell construction
• Design: 2-Ring harmonic balancer
• Compatibility: Direct replacement for OE damper on select Hemi truck applications

Fits Toyota G16E-GTS engines.

Protect your engine's rotating assembly with the ATI Super Damper, specifically designed for the Toyota G16E-GTS 3-cylinder engine. This harmonic balancer is engineered to eliminate torsional crankshaft vibrations that can lead to bearing wear and oil pump failure, especially in high-RPM or high-output applications. Featuring a lightweight 5.885-inch aluminum outer shell, this damper reduces rotating mass while providing superior dampening across a wide frequency range thanks to its specialized 3-ring elastomer design.

• Manufacturer Part Number: ATI917381
• Diameter: 5.885 inches
• Shell Material: Aluminum
• Design: 3-Ring internal elastomer
• Engine Compatibility: Toyota G16E-GTS
• Protects against harmonic vibration and crankshaft fatigue

Fits LS1 and LS2 engines in GM F-Body and V-Body chassis. The ATI Super Damper (MPN: ATI917276) is a high-performance harmonic balancer engineered to eliminate damaging torsional crankshaft vibrations. Unlike standard OEM balancers, this unit provides superior protection for your rotating assembly across the entire RPM range, making it essential for high-performance street and track applications.

This specific model features a 6.78-inch diameter with a 10% underdrive for both the 6-rib main serpentine belt and the 4-rib A/C belt. By slowing down the engine accessories, it reduces parasitic drag to free up horsepower. The lightweight aluminum outer shell reduces rotational mass, while the internal 3-ring elastomer design provides precision damping that far exceeds stock single-ring capabilities.

• Manufacturer Part Number: ATI917276
• Material: Lightweight aluminum outer shell
• Diameter: 6.78 inches
• Grooves: 6-rib main serpentine and 4-rib A/C
• Underdrive: 10% for both main and A/C pulleys
• Internal Design: High-performance 3-ring elastomer
• Compatibility: LS1 and LS2 F-Body and V-Body applications

This ATI Damper Bolt Pack (MPN: ATI950267) provides a complete set of high-strength replacement hardware for servicing or installing ATI Super Dampers. These fasteners are manufactured to exacting tolerances to ensure secure attachment of the damper hub and shell components, maintaining the integrity of your engine's harmonic balancing system.

This 9-piece hardware kit includes the specific thread pitches and lengths required for a standard ATI assembly, allowing you to replace worn or stretched bolts with factory-specified fasteners during engine rebuilds or damper maintenance.

• 6x 5/16"-18 x 1" Bolts
• 3x 3/8"-16 x 1 1/2" Bolts
• Total Piece Count: 9
• Manufacturer Part Number: ATI950267

Protect your engine from destructive torsional crankshaft vibrations with the ATI Super Damper (MPN: ATI918654), specifically engineered for the Nissan GT-R. This high-performance harmonic balancer replaces the factory unit with a precision-machined 2-ring design that maintains the OEM 7.074-inch diameter while providing superior durability under high-load and high-RPM conditions.

Constructed with a lightweight aluminum (AL) shell, this damper reduces rotational inertia to improve engine response without sacrificing vibration dampening. It features a 7-groove rear pulley configuration, ensuring perfect belt alignment and compatibility with factory accessory drives.

• Fits Nissan GT-R models
• Manufacturer Part Number: ATI918654
• Diameter: 7.074 inches (OEM Size)
• Material: Lightweight Aluminum (AL) shell
• Configuration: 7-groove rear pulley
• Design: Internal 2-ring inertia weight
• Eliminates torsional vibration to protect main bearings and oil pumps

Fits select Nissan 350Z and 370Z models equipped with the VQ35HR or VQ37VHR V6 engines.

Protect your engine's rotating assembly with the ATI Super Damper, the industry standard for controlling destructive torsional crankshaft vibrations. Specifically engineered for high-performance Nissan V6 applications, this 1-piece damper replaces the factory balancer to provide superior engine harmonics protection at high RPMs. The 4% underdrive design reduces parasitic drag from belt-driven accessories, freeing up additional horsepower for the wheels.

Constructed with an aluminum outer shell, this damper reduces rotational mass compared to heavy cast-iron OEM units. It features a 5.67-inch diameter and a 7-groove serpentine belt profile, ensuring perfect alignment and compatibility with your existing belt drive system.

• Manufacturer Part Number: ATI918584
• Diameter: 5.67 inches
• Material: Aluminum shell
• Configuration: 7-Groove serpentine
• Underdrive: 4%
• Engine Compatibility: Nissan VQ35HR and VQ37VHR V6
• Design: 1-Piece unit

Fits select 2011 and newer Dodge vehicles equipped with the 5.7L and 6.4L Hemi VVT engines.

Protect your engine's rotating assembly with the ATI Super Damper. This 1-piece performance harmonic balancer is specifically designed for high-RPM Hemi applications, effectively neutralizing torsional crankshaft vibrations that can lead to oil pump failure and bearing wear. The 15% underdrive design reduces the speed of your belt-driven accessories, freeing up horsepower by minimizing parasitic drag.

Constructed with a lightweight aluminum outer shell, this damper offers superior vibration control compared to stock elastomer units. The 6-groove serpentine design ensures perfect belt alignment and high-performance reliability for both street and track use.

• Manufacturer Part Number: ATI918487
• Diameter: 5.67 inches
• Material: Aluminum shell
• Belt Type: 6-Groove
• Drive Ratio: 15% Underdrive
• Engine Compatibility: 5.7L & 6.4L Hemi with VVT
• Construction: 1-Piece design

Protect your high-revving Honda B-Series engine from destructive torsional crankshaft vibrations with the ATI Performance Products Super Damper (MPN: ATI918476). This 5.67-inch harmonic balancer is engineered to exceed factory damping capabilities, ensuring engine longevity and critical timing accuracy during high-performance use.

Constructed with a lightweight aluminum shell, this unit reduces rotational inertia compared to traditional steel dampers without sacrificing vibration control. This "OEM Style" model is specifically designed for a direct bolt-on installation and retains compatibility with factory 4-groove power steering setups, making it an essential upgrade for both street-driven and track-oriented B-Series builds.

• Diameter: 5.67 inches
• Material: Aluminum shell construction
• Pulley Configuration: 4-Groove serpentine
• Fitment: Honda B-Series engines
• Design: Bolt-on Power Steering (PS) compatibility
• Part Number: ATI918476

Engineered for the Ford 5.0L Coyote engine, the ATI Super Damper provides essential protection against torsional crankshaft harmonics that can lead to engine failure in high-performance applications. This 7.795-inch aluminum damper features a 15% overdrive ratio, allowing for increased accessory or blower speeds while significantly reducing rotational mass compared to steel counterparts.

This unit is designed with a dual-pulley configuration featuring both 8-groove and 6-groove sections to accommodate specific belt drive requirements. It includes an integrated A/C pulley to maintain full accessory functionality. The aluminum shell construction provides a weight-saving advantage for quicker throttle response and reduced parasitic drag on the assembly.

• Manufacturer Part Number: ATI918053
• Diameter: 7.795 inches
• Material: Aluminum shell
• Configuration: 8-Groove and 6-Groove
• Overdrive: 15% OD
• Fitment: Ford Coyote 5.0L engines
• Features: Includes A/C pulley

Fits 1995-2002 Nissan Skyline R33 and R34 (RB26).

The ATI Super Damper (ATI917753) provides essential protection against torsional crankshaft vibrations in high-performance Nissan RB26 engines. Specifically engineered for builds reaching up to 1000 HP, this 7.45-inch harmonic balancer uses a 2-ring inertia weight design to maintain engine harmonics across the entire RPM range, protecting your main bearings and oil pump from vibration-induced fatigue.

• Direct fit for Nissan RB26 R33 and R34 chassis models.
• Lightweight aluminum construction with a 7.45-inch diameter shell.
• Features (3) 4-groove pulleys for accessory belt alignment.
• Internal 2-ring design optimized for high-power, high-RPM applications.
• Engineered for engines producing up to 1000 HP.
• Manufacturer Part Number: ATI917753

Ensure your harmonic balancer remains securely indexed with this ATI Performance Products Crankshaft Steel Dowel Pin (MPN: ATI958025). Designed for high-stress environments, this precision-ground pin provides the necessary shear strength to prevent the damper from spinning or shifting on the crankshaft snout. This is a critical upgrade for high-RPM engines or supercharged applications where factory woodruff keys or friction fits may be insufficient.

• Manufacturer Part Number: ATI958025
• Diameter: 3/16 inch
• Length: 1/2 inch
• Material: High-strength steel
• Application: Precision-ground pin for securing harmonic dampers to the crankshaft snout

Fits select Chrysler 5.7L and 6.4L Hemi engines.

This OEM Chrysler crank bolt (MPN ATI951496) is provided by ATI Performance Products for high-performance harmonic balancer installations. It is specifically required for use with the ATI Super Damper (part number 918487). This bolt provides the necessary clamping force to ensure the damper is properly seated on the crankshaft snout, preventing movement and protecting the crankshaft keyway during high-RPM operation or performance use.

• Manufacturer Part Number: ATI951496
• Engine Compatibility: Chrysler 5.7L and 6.4L Hemi
• Required For: Use with ATI Super Damper 918487
• Ensures proper harmonic balancer seating and security

Fits Chrysler, Dodge, and Ram New Gen Hemi engines including the 5.7L, 6.1L, 6.2L, and 6.4L.

Proper damper installation is critical on New Gen Hemi engines to avoid stripping or galling the internal crankshaft threads. The ATI Performance Products ATI918999H installation stud provides a precision-threaded lead to pull the harmonic balancer onto the crank snout smoothly and evenly. This tool serves as a metric adapter for standard damper puller and installer sets, ensuring a professional-grade fit during engine assembly or harmonic balancer upgrades.

• Thread Specification: M14 x 1.5
• Overall Length: 6.09 inches
• Application: New Gen Hemi platforms
• Compatibility: Use with metric damper pullers/installers
• Manufacturer Part Number: ATI918999H

Built to withstand the torque required for proper damper seating, this stud is an essential tool for any Hemi engine builder, protecting the crankshaft from costly thread damage while ensuring the balancer is fully seated against the timing gear.

The ATI Performance Products Pro Damper Puller and Installer Kit (ATI918999) is a professional-grade solution designed for the safe removal and installation of harmonic balancers. Engineered to meet the high tolerances required in performance engine building, this kit ensures that dampers are seated correctly without risking damage to the crankshaft snouts or the damper hub.

• Heavy-duty construction designed for frequent professional shop use
• Includes a comprehensive set of adapters for various crankshaft thread pitches
• Facilitates smooth, linear installation to prevent galling or component stress
• Protects internal crankshaft threads during high-torque removal and seating
• Supplied in a rugged carrying case for organized storage and transport
• Manufacturer Part Number: ATI918999

Secure your harmonic balancer against rotation on the crankshaft snout with the ATI Crank Pin Drill Kit (ATI918993). Because factory GM LS1, LS2, LS3, LS6, and L76 crankshafts lack a woodruff key, the balancer is held only by friction and bolt torque. For high-RPM builds and forced induction applications, this kit provides a mechanical lock to prevent the balancer from spinning, which can lead to catastrophic engine failure.

Designed for precision and ease of use, this kit allows you to drill and pin the crank while the engine is in the vehicle. It is an essential step for any enthusiast installing a supercharger or building a high-performance LS engine. The tool ensures proper alignment for a clean, professional installation every time.

• Fits GM LS-series engines including LS1, LS2, LS3, LS6, and L76
• Prevents harmonic balancer slippage on keyless crankshaft snouts
• Recommended for all supercharged and high-performance LS builds
• Includes necessary drill bit and alignment fixture
• Manufacturer Part Number: ATI918993

Fits 2003-2007 Ford 6.0L Powerstroke Diesel engines.

The ATI Damper (MPN ATI918888) provides critical protection for your engine by controlling torsional crankshaft vibrations that can lead to component failure. Unlike factory elastomer units that degrade over time, this heavy-duty steel harmonic balancer features a 3-ring design specifically tuned for the externally balanced 6.0L diesel engine. It replaces the worn OE unit to ensure long-term reliability and smoother operation under load.

• Precision 7.95-inch diameter steel construction
• 8-groove serpentine belt profile for factory belt compatibility
• Specifically tuned for external balance engine configurations
• Durable 3-ring internal design for superior vibration dampening
• Direct replacement for 2003-2007 Ford Powerstroke 6.0L diesel crankshaft dampers
• Manufacturer Part Number: ATI918888

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

The ATI Super Damper (MPN: ATI918859) is designed to eliminate torsional crankshaft vibrations across the entire RPM range, providing critical protection for high-performance LSA engines. Unlike factory dampers, this lightweight aluminum version reduces rotational mass for improved throttle response while maintaining the structural integrity required for high-stress applications. This model features a 6-groove serpentine belt drive for primary accessories.

• Diameter: 7.48 inches
• Material: Lightweight Aluminum Shell/Hub
• Belt Drive: 6-Groove
• MPN: ATI918859
• Engine Compatibility: GM LSA V8
• Exclusion: This unit does not include the supercharger pulley.

Engineered for rebuildability and tuning, the ATI Super Damper exceeds SFI 18.1 safety ratings and is an essential upgrade for any CTS-V seeing track use or increased power levels.

Fits 2016-2024 Chevrolet Camaro LT1 and ZL1 models.

The ATI Super Damper provides essential protection against destructive torsional engine vibrations that occur as the crankshaft twists and rebounds. This high-performance harmonic balancer features a 7.48-inch diameter and a lightweight aluminum outer shell to reduce rotating mass. The 10% underdrive design reduces parasitic drag from accessories, freeing up horsepower for the wheels.

This 3-ring unit is engineered for precision and durability in high-RPM environments. It features a 6-groove and 4-groove pulley configuration (6/4 Grv) specifically for the 2016+ Camaro LT1/ZL1 platforms. Note that this model replaces the main damper and excludes the supercharger drive pulley.

• Diameter: 7.48 inches
• Material: Aluminum hub and shell
• Underdrive Ratio: 10%
• Pulley Layout: 6-groove and 4-groove
• Design: 3-Ring inertia weight
• Excludes supercharger drive pulley
• Manufacturer Part Number: ATI918857

Fits 2016+ Chevrolet Camaro (LT1/LT4) models equipped with a wet sump oiling system.

Protect your engine's rotating assembly with the ATI Performance Products Super Damper (ATI918856). Designed specifically for the Gen V LT1 and LT4 engines found in the sixth-generation Camaro, this harmonic balancer is engineered to eliminate destructive torsional crankshaft vibrations across the entire RPM range. Unlike factory dampers, which are often tuned for a narrow frequency, this 7.48-inch unit provides comprehensive protection for high-performance builds.

• Manufacturer Part Number: ATI918856
• Shell Material: Lightweight Aluminum
• Diameter: 7.48 inches
• Pulley Configuration: 6-groove and 4-groove serpentine design
• Compatibility: Designed for Wet Sump engines ONLY
• Exclusion: This assembly does not include a supercharger pulley

Each ATI Super Damper features a tunable design with internal O-rings to absorb crank twist, ensuring better timing accuracy and reduced wear on main bearings. This is an essential upgrade for any LT-series engine subjected to spirited driving or track use.

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

The ATI Super Damper (MPN: ATI918854) provides essential protection against torsional crankshaft vibrations in high-performance applications. This 7.48-inch lightweight aluminum harmonic balancer is engineered specifically for the LSA-powered Cadillac CTS-V, featuring a 6-rib and 4-rib groove configuration for accessory drives. By absorbing damaging harmonics across the entire RPM range, this unit helps prevent engine bearing wear and oil pump failure while maintaining precise engine timing.

• Manufacturer Part Number: ATI918854
• Diameter: 7.48 inches
• Material: Lightweight Aluminum
• Belt Configuration: 6-rib and 4-rib grooves
• Fitment: 2009-2015 Cadillac CTS-V (LSA engine)
• Notes: Excludes supercharger pulley

The ATI Super Damper (ATI918853) provides essential engine protection by neutralizing torsional crankshaft vibrations across the entire RPM range. This lightweight steel harmonic balancer is specifically engineered for high-performance GM LS1 and LS2 engines found in F-Body (Camaro/Firebird) and V-Body (CTS-V) platforms.

Featuring a 3-ring internal design and a 7.425-inch outer diameter, this damper utilizes a 6-bolt hub and a 6/4 groove pulley configuration to maintain correct belt alignment for 6-rib and 4-rib accessory drives. The lightweight steel construction reduces rotational inertia compared to standard steel units, improving throttle response while maintaining the structural integrity required for racing and high-load street use. This unit replaces the factory rubber-bonded balancer with a rebuildable, high-tolerance assembly.

• Manufacturer Part Number: ATI918853
• Application: GM LS1 and LS2 (F-Body and V-Body)
• Material: Lightweight Steel
• Diameter: 7.425 inches
• Design: 3-Ring Super Damper assembly
• Grooves: 6/4 Groove (6-rib and 4-rib)
• Mounting: 6-Bolt Hub

Designed for the GM L86 6.2L V8 engine, the ATI Super Damper (Part #ATI918645) provides essential protection against destructive torsional crankshaft vibrations. This 7.525-inch aluminum harmonic balancer features a dual-pulley design with 4 and 3-groove configurations to maintain factory accessory drive alignment while significantly improving engine longevity in both street and high-performance applications.

Unlike standard elastomer dampers, ATI's Super Damper uses a patented design that eliminates vibrations across all RPM ranges. The aluminum outer shell reduces rotating mass compared to steel versions, allowing for quicker throttle response and reduced parasitic loss on the crank.

• Fits GM L86 6.2L V8 engines
• Outer Diameter: 7.525 inches
• Material: High-grade aluminum housing
• Pulley Configuration: 4 and 3-groove serpentine drives
• Manufacturer Part Number: ATI918645
• Replaces factory harmonic balancers for improved vibration dampening