Fits select 2005-2009 Audi A4, TT Quattro and Volkswagen Jetta, Passat, Eos, Golf, and GTI (2.0T).

The Fluidampr 551211 performance damper is a critical upgrade for high-performance 2.0T FSI engines. Unlike stock rubber balancers that can degrade or fail under increased load, this viscous damper provides superior control over torsional vibrations across the entire RPM range. By reducing harmonic stress on the crankshaft and internal components, it helps prevent premature wear and catastrophic failure while stabilizing timing to help recover lost horsepower and torque.

Precision CNC machined from high-grade steel, the unit features a corrosion-resistant black zinc finish and permanent engraved timing marks. This damper is internally balanced and designed specifically for 2.0L FSI engines utilizing a 6-bolt hole mounting pattern. Because it uses a viscous fluid design rather than rubber, it requires no maintenance, tuning, or rebuilding over its lifespan.

• Manufacturer Part Number: 551211
• Certification: SFI 18.1 spec
• Mounting: 6-bolt hole pattern
• Construction: High-grade steel with black zinc finish
• Balance: Internally balanced
• Design: Maintenance-free viscous damper
• Origin: Made in USA

Fits select 1998-2006 Audi A4, TT and Volkswagen Beetle, Golf, Jetta, and Passat (1.8L / 1.8T).

Protect your engine's bottom end with the Fluidampr performance harmonic damper. Unlike factory rubber-isolated balancers that can degrade or fail under the stress of performance modifications, Fluidampr utilizes a superior viscous design to control harmful torsional vibration across the entire RPM range. This precision-engineered damper reduces the risk of crankshaft failure and minimizes wear on critical engine components like main bearings and timing sets.

CNC-machined from high-grade steel, this damper features a corrosion-resistant black zinc finish and engraved timing marks for long-term accuracy. As an SFI 18.1 certified component, it is designed for high-performance applications and requires no maintenance or tuning.

• Manufacturer Part Number: 551201
• Certification: SFI 18.1 spec
• Material: High-grade steel construction
• Finish: Black zinc with engraved timing marks
• Mounting: 4-bolt hole pattern
• Balance: Internally balanced
• Design: Maintenance-free viscous fluid type
• Made in the USA

Fits select 1995-2021 Subaru Impreza, WRX, STI, Legacy, Outback, Forester, Baja, and 2005 Saab 9-2X models equipped with the EJ-series engine.

Protect your engine's bottom end with the Fluidampr performance viscous damper. Unlike factory elastomeric balancers that use a rubber ring tuned to a specific frequency, the Fluidampr features a precision-machined housing filled with specialized silicone. This viscous design controls harmful torsional vibration across the entire RPM range, regardless of modifications or power levels. By neutralizing crankshaft twist, you reduce the risk of catastrophic failure and premature wear on main bearings and timing components.

Each damper is CNC machined from high-grade steel and finished in a corrosion-resistant black zinc. The unit is internally balanced and requires no maintenance or tuning. Whether you are building a high-boost track car or a reliable daily driver, Fluidampr provides the durability required for performance EJ builds.

• SFI 18.1 certified for competition use
• Superior viscous damping technology protects at all engine speeds
• Precision CNC machined high-grade steel construction
• Corrosion-resistant black zinc finish with laser-engraved timing marks
• No maintenance, tuning, or rebuilding required
• Proudly made in the USA
• Manufacturer Part Number: 531101

Fits 2000-2009 Honda S2000 Base and CR models (F20C / F22C).

Protect your engine from harmful torsional vibrations that standard elastomer balancers cannot manage. The Fluidampr 530601 performance viscous damper is engineered to provide superior protection across your entire RPM range, especially after modifications increase stress on the rotating assembly. By controlling crank twist, this damper reduces wear on critical main bearings and prevents premature crankshaft failure.

Precision CNC machined from high-grade steel, this unit features a corrosion-resistant black zinc finish with engraved timing marks for high visibility during tuning. The internal viscous design is self-tuning to any engine modifications and requires no maintenance over time. For added convenience during service, the Fluidampr 530601 is specifically designed to accept the factory OEM crank pulley removal tool.

• MPN: 530601
• Certification: SFI 18.1 spec for race use
• Construction: Precision CNC machined steel housing
• Finish: Black Zinc with engraved timing marks
• Balance: Internally balanced
• Maintenance: No rebuilds or fluid changes required
• Origin: Made in USA

Fits select 1986-2005 Mazda 323, Miata, MX-3, and Protege models.

Protect your engine's bottom end with the Fluidampr Performance Damper (MPN: 521001). Unlike factory harmonic balancers that use a rubber ring to dampen specific frequencies, this viscous damper features a precision-machined steel housing and an internal inertia ring floating in a thin layer of silicone. This design provides continuous, self-tuning protection across the entire RPM range, which is critical as engine modifications change the frequency of torsional vibrations.

Engineered for longevity and performance, this unit is CNC machined from high-grade steel and finished with a corrosion-resistant black zinc coating. It features engraved timing marks for accurate tuning and is SFI 18.1 certified for racing applications. This damper is internally balanced and requires no maintenance or tuning, making it a direct-fit upgrade for high-performance builds.

• Vibration Control: Superior viscous design manages torsional vibration at all engine speeds.
• Durability: Reduces wear on main bearings and the risk of crankshaft failure.
• Construction: CNC machined high-grade steel with engraved timing marks.
• Finish: Corrosion-resistant black zinc.
• Certification: SFI 18.1 spec for track and street use.
• Origin: Proudly made in the USA.

Specifications:
Manufacturer Part Number: 521001
Material: Steel
Finish: Black Zinc
Balance: Internal
Safety Rating: SFI 18.1

Fits select 2017+ Subaru vehicles equipped with FA24, FB20, or FB25 engines.

The Fluidampr Crankshaft Adapter Hub Kit (MPN 300023) allows for the installation of the Fluidampr FA20 Performance Damper (p/n 571101) onto newer Subaru FA24, FB20, and FB25 engine platforms. This kit provides a reliable solution for owners looking to upgrade their harmonic balancer to improve torsional vibration control and protect the rotating assembly.

This adapter kit replaces the factory hub configuration, ensuring a precise fit and proper alignment for the 571101 damper. By utilizing a viscous-style damper in conjunction with this specialized hub, you can effectively reduce crankshaft stress across a wider RPM range compared to the factory rubber-based balancer.

• Specifically designed to adapt Fluidampr p/n 571101 to FA24, FB20, and FB25 crankshafts
• Includes precision-machined adapter hub
• Includes sealing O-ring
• Includes genuine Subaru OEM crankshaft bolt
• Manufacturer Part Number: 300023

Fits 1994-2023 Dodge and Ram 2500/3500 trucks equipped with the 5.9L or 6.7L Cummins diesel engine.

For high-output Cummins performance builds exceeding 700 hp and 1,250 lb-ft of torque, the Fluidampr Full Power Kit (MPN 300008) provides the essential clamp load and mounting security required to prevent damper movement or crankshaft shearing. This kit replaces standard hardware with premium, heavy-duty components engineered to withstand the extreme torsional stresses of high-torque diesel applications.

• High-Strength Fasteners: Includes heat-treated ARP bolts for superior tensile strength and reliable torque retention over factory hardware.
• Enhanced Friction Interface: Features a diamond-impregnated friction washer that significantly increases the coefficient of friction between the crankshaft and the damper.
• Integrated Torque Plate: The included torque plate features a textured finish and a 5/8-inch hex head, providing a convenient point for barring the engine during service or timing adjustments.
• RPM Stability: For competition or street applications operating above 3,500 RPM, use this kit in conjunction with Fluidampr Drill Pin Kit (p/n 300002).

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

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

Fits select 2010-2015 Chevrolet Camaro (LS3) and GM Gen 3 Vortec Truck applications configured without air conditioning.

The ATI Super Damper is the leading solution for protecting high-performance LS engines from destructive crankshaft torsional vibrations. Unlike factory elastomer balancers that can perish or fail under high RPM, this aluminum-shell damper is designed to eliminate torsional vibration across the entire powerband. The lightweight aluminum construction reduces rotating mass, improving throttle response while providing the necessary dampening for modified street and track engines.

• Manufacturer Part Number: ATI918644
• Outer Diameter: 7.48 inches
• Shell Material: Aluminum
• Pulley Configuration: 6-Groove
• Compatibility: LS3 Camaro (2010-2015), Gen 3 Vortec Truck (No A/C)
• System: Harmonic Balancing / Drivetrain

Fits Nissan GT-R models equipped with the VR38 engine.

Protect your high-performance rotating assembly with the ATI Super Damper. This harmonic balancer is specifically engineered to neutralize harmful torsional crankshaft vibrations that occur as power levels and RPMs increase. Unlike OEM dampers, the ATI Super Damper provides consistent protection across the entire powerband, featuring a lightweight aluminum outer shell to minimize rotating mass and parasitic drag.

• Manufacturer Part Number: ATI918641
• Outer Diameter: 7.074 inches
• Material: Aluminum outer shell
• Pulley Configuration: 7-groove rear pulley
• Design: Internal 2-ring inertia weight

This unit replaces the factory balancer to ensure engine longevity and timing stability, making it a critical upgrade for any street or track-driven VR38 engine.

Fits 2010-2015 Chevrolet Camaro (LS3) and Gen 3 Vortec Truck LS-based engines.

The ATI Super Damper provides maximum protection against torsional crankshaft vibrations, which is critical for maintaining engine longevity in high-performance LS applications. This 7.48-inch harmonic balancer features a lightweight aluminum shell and a 6-bolt design to reduce parasitic drag and rotating mass without sacrificing dampening efficiency. Designed for engines using a 6-groove and 4-groove belt configuration, it replaces the factory unit to stabilize the rotating assembly across the entire RPM range.

• Manufacturer Part Number: ATI918635
• Diameter: 7.48 inches
• Shell Material: Aluminum
• Pulley Configuration: 6-Groove and 4-Groove
• Mounting Style: 6-Bolt Shell
• Engine Compatibility: LS3 and Gen 3 Vortec Truck (LS)

Designed for high-performance LS engines, the ATI Super Damper provides critical protection against torsional crankshaft vibrations. This 6.78-inch aluminum-shell balancer is specifically engineered for 2010-2015 Chevrolet Camaro LS3 models and Gen 3 Vortec Truck applications. By neutralizing harmonic frequencies, it helps prevent engine wear and ensures long-term reliability under demanding conditions.

• Diameter: 6.78 inches
• Material: Lightweight aluminum outer shell
• Pulley Configuration: 6-rib and 4-rib grooves
• Drive Ratio: 10% Underdrive (UD) to reduce accessory parasitic drag
• Fitment: 2010-2015 Chevrolet Camaro (LS3) and Gen 3 Vortec Truck engines
• Manufacturer Part Number: ATI918629

Fits select 2010-2015 Chevrolet Camaro LS3 and Gen 3 Vortec Trucks. This ATI Performance Products Super Damper (MPN: ATI918628) is designed to eliminate torsional crankshaft vibrations, providing essential protection for high-performance LS engines where factory balancers may fail under stress.

Featuring a 7.48-inch diameter and a lightweight aluminum outer shell to reduce parasitic drag, this harmonic balancer is equipped with a dual-pulley configuration consisting of 6-groove and 4-groove serpentine drives. It serves as a high-performance replacement for the OE unit, ensuring the longevity of your engine internals during high-RPM operation.

• Manufacturer Part Number: ATI918628
• Diameter: 7.48 inches
• Outer Shell Material: Aluminum
• Pulley Configuration: 6-Groove and 4-Groove serpentine
• Applications: LS3 Camaro (2010-2015) and Gen 3 Vortec Truck LS platforms

Fits select Chevrolet Corvette (Y-Body) and Gen 5 Camaro Z/28 models equipped with LS7 or LS3 engines.

The ATI Super Damper harmonic balancer (MPN ATI918620U) provides essential protection against torsional crankshaft vibrations that can lead to engine failure. This 7.48-inch damper features a lightweight aluminum shell to minimize rotating mass and a 3-ring internal design for superior vibration dampening across the RPM range. The 10% underdrive configuration reduces parasitic drag from accessories to improve power delivery, while the 8-rib and 4-rib pulley arrangement maintains full compatibility with OEM air conditioning systems.

• Fits Y-Body Corvette and Gen 5 Camaro Z/28 (LS7/LS3)
• 10% Underdrive ratio for reduced accessory drag
• Lightweight aluminum construction with 3-ring internal dampening
• 8-groove main drive and 4-groove A/C drive
• Compatible with factory A/C systems
• Manufacturer Part Number: ATI918620U

This ATI Super Damper is a high-performance 7.65-inch harmonic balancer specifically engineered for LS3 and LS7 engines found in Y-Body Corvettes and Gen 5 Camaro Z/28 models. Designed to eliminate destructive torsional crankshaft vibrations, this balancer provides essential engine protection that standard factory units cannot match, especially at high RPMs.

The unit features an aluminum outer shell to reduce rotational weight and parasitic drag without sacrificing durability. This OEM-sized damper utilizes a 2-ring design and includes both 8-groove and 4-groove pulley tracks to maintain proper accessory drive alignment. Whether for a street build or a dedicated track car, this damper ensures your rotating assembly remains balanced and protected.

• Manufacturer Part Number: ATI918620
• Outer Diameter: 7.65 inches
• Shell Material: Aluminum
• Pulley Configuration: 8-Groove & 4-Groove
• Size: OEM Diameter
• Inertia Weight: 2-Ring design
• Engine Compatibility: GM LS3 and LS7
• Vehicle Fitment: Chevrolet Corvette (Y-Body) and Gen 5 Camaro Z/28

Protect your engine's bottom end with the ATI Super Damper, specifically engineered for Nissan SR20 front-wheel-drive (FWD) applications. Unlike factory harmonic balancers that use cured rubber, this high-performance damper utilizes a specialized O-ring design to eliminate harmful torsional crankshaft vibrations across the entire RPM range. This is a critical upgrade for SR20 builds seeing increased boost or higher rev limits.

This Street series damper features a lightweight 6.78-inch aluminum shell to reduce rotating mass while maintaining maximum dampening efficiency. The unit is designed with a 6-groove and 4-groove pulley configuration to maintain compatibility with factory accessory drives in FWD configurations.

• Fits Nissan SR20 (FWD) engines
• Diameter: 6.78 inches
• Material: Aluminum shell
• Configuration: 2-Ring Street series
• Pulley Layout: 6-groove and 4-groove serpentine
• Exceeds SFI 18.1 safety ratings
• Manufacturer Part Number: ATI918607

Fits 1989-1994 Nissan Skyline GT-R R32 (RB26DETT).

The ATI Super Damper is the industry standard for protecting high-performance engines from destructive torsional crankshaft vibrations. For the Nissan RB26, managing these harmonics is critical to preventing oil pump gear failure and premature bearing wear, especially in high-RPM applications. This 5.67-inch unit features a lightweight aluminum shell and a single-piece design tailored specifically for the R32 chassis, ensuring your valvetrain and bottom end remain stable under load.

• Manufacturer Part Number: ATI918599
• Outer Diameter: 5.67 inches
• Shell Material: Aluminum
• Pulley Configuration: Dual (2) 4-groove pulleys
• Design: 1-piece construction
• Includes integrated power steering pulley
• Exceeds SFI 18.1 safety ratings for competition use

Fits select 1993-2002 Nissan Skyline GT-R R33 and R34 models equipped with the RB26 engine.

The ATI Super Damper (MPN ATI918598) is an essential upgrade for high-performance RB26 builds, providing superior protection against crankshaft torsional vibrations that often lead to oil pump failure and premature bearing wear. This 5.67-inch harmonic balancer features a lightweight aluminum 1-piece design, engineered to neutralize harmful harmonics across the entire RPM range.

Equipped with dual 4-groove pulleys, this unit includes an integrated power steering pulley to ensure full accessory drive compatibility for street and track-oriented R33 and R34 chassis.

• Part Number: ATI918598
• Diameter: 5.67 inches
• Material: Aluminum construction
• Pulley Configuration: (2) 4-Groove
• Assembly: 1-Piece design
• Compatibility: Integrated Power Steering Pulley

Fits Nissan 350Z models equipped with the VQ35 V6 engine.

The ATI Super Damper Street Series harmonic balancer is engineered to provide maximum protection against destructive torsional crankshaft vibrations. Unlike traditional OEM dampers, the Super Damper features a specialized 2-ring internal design to maintain engine harmonics across the entire RPM range, protecting your main bearings and oil pump components from premature wear.

This 6.78-inch unit is constructed with a lightweight aluminum shell to reduce rotational mass while maintaining superior dampening performance. It features laser-etched timing marks for accurate tuning and is designed to maintain factory belt alignment with a dual 6-groove and 4-groove pulley configuration.

• Manufacturer Part Number: ATI918588
• Outer Diameter: 6.78 inches
• Material: Aluminum Shell
• Pulley Configuration: 6-Groove and 4-Groove
• Design: 2-Ring Internal Damper
• Series: Street Super Damper

Fits Nissan SR20 RWD engines. This ATI Super Damper is engineered to eliminate destructive torsional crankshaft vibrations, providing essential protection for your engine's bottom end during high-RPM street and performance use.

Unlike factory balancers that utilize a simple pressed-in rubber ring prone to degradation and failure, the ATI Super Damper features a tunable elastomer-damped design. This 5.67-inch unit uses a lightweight aluminum outer shell to reduce rotating mass while maintaining superior damping across the entire RPM range. The assembly is specifically machined with two belt tracks—one 4-groove and one 5-groove—to maintain correct accessory drive alignment on RWD SR20 platforms.

• Eliminates torsional vibration to prevent crankshaft failure and bearing wear
• 5.67-inch diameter with lightweight aluminum shell construction
• Dual-pulley configuration with 4 and 5-groove profiles
• Designed for high-performance street and track applications
• Laser-etched timing marks for accurate ignition tuning
• Exceeds SFI 18.1 safety standards for competition use
• Manufacturer Part Number: ATI918582

Fits 2019-2024 Toyota Supra and BMW Z4 with the B58 engine configured for dry sump oiling systems.

Protect your B58 engine from destructive torsional crankshaft vibrations with the ATI Super Damper. This high-performance harmonic balancer is specifically engineered for dry sump applications, providing superior vibration dampening that factory units cannot match at high RPMs. The aluminum shell construction reduces rotating mass, helping your engine rev more freely while maintaining critical component longevity.

• Diameter: 7.074 inches
• Material: Lightweight Aluminum shell
• Belt Profile: 6-Groove pulley configuration
• Application: B58 engines with Dry Sump setups
• Manufacturer Part Number: ATI918573

By eliminating harmonic resonance, this damper protects your main bearings, oil pump, and valvetrain from the stresses of high-performance use, making it a vital upgrade for any serious B58 build.

Fits 1994-1998 Toyota Supra (JZA80). This ATI Super Damper is engineered to provide maximum protection against torsional crankshaft vibrations, which can lead to oil pump failure and bearing wear in high-performance or high-RPM engines.

Designed for the JZ engine platform, this 7.07-inch damper features a lightweight aluminum shell to reduce rotating mass without sacrificing dampening efficiency. This specific model is configured with a 6-groove pulley and a 5.88-inch drive, maintaining the OEM belt size for a direct-fit installation on factory-spec belt drives.

• Manufacturer Part Number: ATI918572
• Outer Diameter: 7.07 inches
• Shell Material: Aluminum
• Pulley Configuration: 6-Groove
• Drive Diameter: 5.88 inches
• Design: 2-Ring Harmonic Damper
• Compatibility: Retains OEM belt size