Fits 1996-2004 Ford Mustang SVT Cobra (4.6L V8).

Protect 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.

• Manufacturer Part Number: ATI918036
• Diameter: 6.78 inches
• Shell Material: Aluminum
• Pulley Profile: 6-Groove
• Size: OEM Replacement Diameter
• Application: Harmonic balancer for Ford 4.6L 4V Cobra engines

Secure 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.

Fits Chrysler Hemi 5.7L, 6.1L, 392 VVT (2009-Up), and 6.2L Hellcat and Demon engines.

• Prevents harmonic balancer slippage on the crankshaft snout during high-load operation
• Precision-machined drill jig ensures accurate hole placement for the pinning process
• Designed specifically for Hemi VVT and supercharged 6.2L platforms
• Includes necessary drill bit and hardware for professional installation
• Manufacturer Part Number: ATI918008-1

Protect 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.

• Fits Mini Cooper models with B46 and B48 engines
• Lightweight aluminum outer shell reduces parasitic drag for improved throttle response
• High-performance 3-ring design provides superior vibration control compared to stock units
• Protects crankshaft, main bearings, and oil pump components from vibration-related fatigue
• Laser-etched timing marks for precise tuning and maintenance
• Manufacturer Part Number: ATI917999

Protect 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.

This 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.

• Fits 1.6L Mini Cooper S engines
• Part Number: ATI917993
• Diameter: 5.74 inches
• Overdrive: 2% OD
• Material: High-quality Aluminum shell and hub
• Belt Profile: 6-Groove
• Construction: 1-Piece design
• Optimized for torsional vibration control at high RPMs

Fits Mini Cooper S (1.6L).

Protect 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.

• Manufacturer Part Number: ATI917992
• Outer Diameter: 5.67 inches
• Material: High-grade aluminum shell
• Belt Configuration: 6-groove pulley design
• Direct fit for 1.6L Mini Cooper S engines
• Eliminates crankshaft vibrations to protect engine bearings and oil pumps

Fits Subaru WRX with EJ20, EJ22, and EJ25 engines.

Protect 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.

The 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.

• Manufacturer Part Number: ATI917991
• Diameter: 5.50 inches
• Material: Aluminum shell and hub
• Belt Configuration: 4 and 5 Groove pulleys
• Fitment: Subaru EJ20, EJ22, and EJ25 engines
• Damping: Internal elastomer O-rings

Fits select Chevrolet Small Block, 90-degree V6, 409 engines, and Pontiac 4-cylinder applications.

Protect 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.

Constructed 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.

• Manufacturer Part Number: ATI917781
• Outside Diameter: 6.325 inches
• Material: High-grade steel construction
• Internal Design: 3-Ring inertia weight system
• Shell Type: 1-Piece design
• Fitment: Chevy Small Block, 90° V6, 409, and Pontiac 4-Cylinder

Fits Chevrolet LS engines.

The 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.

• Manufacturer Part Number: ATI917776
• Diameter: 6.325 inches
• Material: Steel Shell
• Internal Design: 3-Ring
• Front Style: C-Bore
• Surface Finish: Smooth
• Application: Chevrolet LS Engines

Protect 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.

• Fits Acura NSX (3.0L) engines
• Diameter: 6.10 inches
• Material: High-strength aluminum shell and hub
• Belt Configuration: 4 and 5 groove pulleys
• Power Rating: Optimized for builds up to 600 HP
• Manufacturer Part Number: ATI917757

Unlike 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.

Protect 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.

This 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.

• Manufacturer Part Number: ATI917756
• Engine Fitment: Nissan KA24
• Outer Diameter: 6.20 inches
• Material: High-grade aluminum
• Configuration: 3-groove and (2) 4-groove pulley design
• Construction: 1-piece design for maximum integrity

Protect 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.

• Fits Nissan 300ZX V6 models
• Rated for applications up to 800HP
• 5.67-inch diameter with triple 4-groove belt configuration
• Lightweight aluminum construction for reduced parasitic drag
• Precision-balanced 1-piece design
• Manufacturer Part Number: ATI917754

Fits 1989-1994 Nissan Skyline GT-R (R32) models equipped with the RB26 engine.

The 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.

• Manufacturer Part Number: ATI917752
• Diameter: 7.45 inches
• Material: Aluminum shell
• Pulley Configuration: (3) 4-Groove
• Power Rating: Up to 1000 HP
• Design: 2-Ring, 1-Piece construction
• Function: Eliminates torsional vibration for increased engine longevity

Fits Dodge Neon SRT4 and Chrysler PT Cruiser models.

The 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.

Unlike 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.

• Manufacturer Part Number: ATI917469
• Damper Diameter: 6.78 inches
• Shell Material: Aluminum
• Pulley Type: (2) 4-Groove
• Direct replacement for the factory harmonic balancer
• Engineered to eliminate harmonic vibrations across the entire RPM range

Fits 2011-2016 Chevrolet Silverado and GMC Sierra 2500HD/3500HD equipped with the 6.6L Duramax diesel engine (LML and LGH codes).

The 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.

Designed 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.

• Manufacturer Part Number: ATI917376
• Diameter: 7.425 inches
• Shell Material: Steel
• Pulley: 6-Groove Serpentine
• Balance: External
• Design: 3-Ring Elastomer
• Engine Compatibility: GM Duramax 6.6L LML / LGH

Protect 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.

• Manufacturer Part Number: ATI917374
• Engine Compatibility: 5.9L Cummins Diesel (2003-2007.5)
• Diameter: 7.98 inches
• Material: High-quality steel construction
• Groove Pattern: 8-Groove pulley
• Design: 3-Ring Heavy Duty configuration

Fits 2001-2005 Chevrolet Silverado and GMC Sierra 2500HD/3500HD models equipped with the 6.6L Duramax LB7 and LLY diesel engines.

The 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.

• Manufacturer Part Number: ATI917371
• Outside Diameter: 7.425 inches
• Shell Material: Steel
• Pulley Type: 6-Groove Serpentine
• Inertia Weight: 3-Ring Design
• Engine Balance: External
• Safety Rating: SFI 18.1 certified for racing use

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