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

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

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 2015-2021 Dodge Challenger/Charger and Jeep Grand Cherokee (6.2L).

High-performance modifications and increased boost levels can quickly compromise a factory harmonic balancer. The Fluidampr performance damper is engineered to protect your 6.2L supercharged engine by controlling harmful torsional vibrations across the entire RPM range. Unlike standard elastomer dampers, this viscous design utilizes a free-floating inertia ring submerged in silicone fluid to provide continuous protection, reducing the risk of crankshaft failure and premature wear on critical internal engine components.

Precision CNC machined from high-grade steel and aluminum, the damper features a black zinc hub and a black anodized pulley for superior corrosion resistance. With laser-engraved timing marks and SFI 18.1 safety certification, this maintenance-free upgrade is built for the rigors of high-RPM street and track applications.

• SFI 18.1 certified for competition use
• Internally balanced viscous design
• Reduces torsional vibration to improve ignition and valve timing
• High-grade steel and aluminum construction
• Corrosion-resistant black zinc and black anodized finishes
• Maintenance-free with no rebuilding required
• Made in the USA

Fits select 2013-2021 Subaru BRZ, WRX, and Forester, Toyota 86, and Scion FR-S models.

Performance modifications can often compromise the effectiveness of a factory harmonic balancer. This Fluidampr performance damper replaces the stock unit with a superior viscous design engineered to control harmful torsional vibrations across the entire RPM range. By stabilizing the crankshaft, this damper reduces wear on critical engine components and minimizes the risk of crankshaft failure, while potentially recovering lost torque and horsepower. Unlike rubber-based OEM dampers that degrade over time, the Fluidampr is maintenance-free and provides consistent protection regardless of your build's power level.

• SFI 18.1 certified for professional racing environments
• Precision CNC-machined high-grade steel construction
• Corrosion-resistant black zinc finish with clear, engraved timing marks
• Internally balanced for direct-fit installation
• Maintenance-free viscous design with no rubber parts to crack or perish
• Broad-band vibration protection across all engine speeds
• Made in the USA

Fits select Dodge Charger, Challenger, and Durango, Chrysler 300C, and Jeep Grand Cherokee (5.7L / 6.1L / 6.4L Gen III HEMI).

The Fluidampr Gen III HEMI steel internally balanced harmonic damper is engineered to protect your engine from harmful torsional vibrations that stock elastomer-style dampers cannot fully mitigate. As cylinder pressures and RPMs increase in high-performance or racing applications, this viscous damping technology provides protection across the entire RPM range, ensuring crankshaft durability and reducing wear on critical rotating assembly and accessory drive components.

• SFI 18.1 safety rating for racing compliance
• Precision CNC machined high-tensile steel construction
• Maintenance-free viscous design requires no tuning or rebuilds
• Controls harmonics across the entire RPM range to support long-term durability
• Proven viscous damping technology used in professional racing
• Proudly made in the USA

Designed for competition 2011-2026 Ford 6.7L Power Stroke diesel engines, this Fluidampr dry sump adapter is engineered for applications utilizing an external dry sump oil system. It mounts directly to the flange of Fluidampr harmonic balancer p/n 800241, providing a robust interface for common dry sump mandrel installation.

Precision-engineered to meet the demands of high-performance racing, this adapter simplifies the integration of external oiling components by utilizing industry-standard dimensions and mounting patterns.

• Fits select 2011-2026 Ford (6.7L) Power Stroke engines
• Designed for use with Fluidampr damper part number 800241
• Features a 3.20in bolt circle for common dry sump mandrels
• Includes three pre-drilled 3/8-16 UNC 28 bolt holes
• Essential for competition-build external dry sump oil systems
• Manufacturer Part Number: 400018

Fits 2017-2019 Chevrolet Silverado and GMC Sierra 2500 HD / 3500 HD (6.6L Duramax).

Protect your L5P engine from damaging torsional vibrations with a Fluidampr performance damper. Engineered for high-output diesel applications, this viscous damper features a precision-machined steel housing that contains a free-rotating inertia ring suspended in specialized silicone fluid. Unlike factory elastomer dampers that only target narrow frequency ranges, Fluidampr provides continuous protection across the entire RPM spectrum, reducing the risk of crankshaft failure and premature wear on main bearings and timing components.

This externally balanced unit is CNC machined from high-grade steel and finished in a corrosion-resistant black zinc. It includes pre-drilled holes for mounting custom drive mandrels and is SFI 18.1 certified for competition use. No maintenance or tuning is required for the life of the engine.

• Manufacturer Part Number: 830141
• Certification: SFI 18.1 Spec
• Material: High-grade CNC machined steel
• Finish: Black zinc coating with engraved timing marks
• Mounting: Pre-drilled 3/8-24 holes on a 3.2-inch bolt circle
• Maintenance: Maintenance-free viscous design
• Origin: Made in the USA

Fits 2011-2026 Ford F-250 and F-350 Super Duty models equipped with the 6.7L Power Stroke diesel engine.

Protect your high-output diesel engine with the Fluidampr 800241 externally balanced viscous damper. Designed to control harmful torsional vibration across the entire RPM range, this damper reduces wear on critical internal components and minimizes the risk of crankshaft failure. Unlike standard rubber-based dampers that degrade over time, Fluidampr utilizes a viscous silicone fluid to provide consistent protection that never needs maintenance or rebuilding.

Precision CNC machined from high-grade steel, this unit features a corrosion-resistant black zinc finish and laser-engraved timing marks for accurate tuning. It is SFI 18.1 certified, making it suitable for both street use and sanctioned competition environments.

• Manufacturer Part Number: 800241
• SFI 18.1 certified for competition use
• Controls torsional vibration at all engine speeds
• Precision CNC machined high-grade steel construction
• Durable black zinc finish with engraved timing marks
• No maintenance or tuning required
• Made in the USA

Installation Notes: For high-performance applications, the High Strength Bolt Kit (p/n 300016) is highly recommended. Dry Sump Adapter (p/n 400018) is available separately. Note: This damper is not compatible with high-output dual belt alternator configurations.

Ensure your accessory drive remains properly aligned and functional with the Fluidampr Toyota 2JZ Stock Drive Pulley Damper Ring (MPN 570809). This component is designed specifically for Toyota 2JZ engines equipped with the Fluidampr performance damper p/n 840801 featuring a removable pulley configuration.

As a specialized service part, this ring allows for the replacement of the drive pulley section without requiring a completely new damper assembly. It maintains the original factory diameter to ensure that belt tension and accessory speeds remain within OE specifications while working in tandem with Fluidampr’s viscous vibration control technology.

• Specifically fits Fluidampr performance damper part number 840801
• Compatible with Toyota 2JZ-GE and 2JZ-GTE engines
• Maintains factory stock accessory drive pulley diameter
• Precision-machined for exact fitment and balance
• Pulley ring only; does not include the main damper unit
• Manufacturer Part Number: 570809

This Fluidampr 15% underdrive (UD) pulley ring is designed specifically for Toyota 2JZ engines equipped with a Fluidampr harmonic balancer (p/n 840801) featuring a removable pulley. By reducing the rotational speed of engine accessories, this underdrive ring minimizes parasitic drag, allowing more power to reach the drivetrain.

Precision-engineered to maintain the balance and harmonic protection Fluidampr is known for, this ring is an essential upgrade for high-performance applications where every horsepower counts. It is designed to bolt directly to the 840801 damper hub, replacing the standard diameter pulley for improved efficiency.

• Manufacturer Part Number: 500809
• Underdrive Ratio: 15%
• Fitment: Exclusively for Fluidampr p/n 840801 with removable pulley
• Engine Compatibility: Toyota 2JZ
• Inclusions: Pulley ring only (damper unit sold separately)

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

Fits 2003-2009 Dodge Ram 2500 and 3500 (5.9L).

Protect your high-performance diesel engine with the Fluidampr 920301, a precision-engineered viscous damper designed to control harmful torsional vibrations. Unlike standard rubber-based dampers, this steel internally balanced unit provides superior protection across the entire RPM range, reducing the risk of crankshaft failure and minimizing wear on critical internal components like bearings and timing gears. Designed for serious power, this damper helps stabilize timing and can unleash lost torque and horsepower by smoothing out engine harmonics.

• Precision CNC machined from high-grade steel for maximum durability
• SFI 18.1 certified for competition and street use
• Corrosion-resistant black zinc finish with clear, laser-engraved timing marks
• Viscous design requires no maintenance or tuning throughout its lifespan
• Race-proven technology trusted by heavy-duty diesel OEMs and builders
• Made in the USA
• Manufacturer Part Number: 920301

Fits select 1992-2005 Lexus GS300, IS300, SC300, and Toyota Supra (1JZ / 2JZ I6).

Protect your high-performance 1JZ or 2JZ engine with the Fluidampr 840821 performance damper. Unlike stock elastomeric balancers that are tuned for a narrow frequency, Fluidampr’s viscous design controls harmful torsional vibrations across the entire RPM range. This is critical for modified engines where increased cylinder pressures can lead to crankshaft failure, premature bearing wear, and timing instability. This specific model features an integrated 8.5-inch diameter pulley designed for dry sump oiling systems.

• Precision CNC-machined from high-grade steel for maximum durability
• Integrated 8.5-inch diameter dry sump pulley
• Corrosion-resistant black zinc finish with laser-engraved timing marks
• SFI 18.1 certified for professional racing environments
• Internally balanced; requires no maintenance or rebuilds
• Proudly made in the USA
• Manufacturer Part Number: 840821

Fits select 2006-2010 Chevrolet and GMC Silverado/Sierra 2500 HD, 3500, and Express 2500 models (6.6L Duramax).

Serious diesel performance requires superior harmonic protection. This Fluidampr viscous damper is designed to control harmful torsional vibration across your entire RPM range, significantly reducing the risk of crankshaft failure and wear on critical engine components. Unlike standard rubber dampers that only target specific frequencies, the viscous fluid design provides continuous protection even as you increase power levels. Each unit is precision CNC machined from high-grade steel and finished in a corrosion-resistant black zinc for maximum durability in harsh environments.

• SFI 18.1 certified for competition and street use
• Protects against torsional vibration at all engine speeds
• No maintenance or rebuilding required for the life of the damper
• Corrosion-resistant black zinc finish with engraved timing marks
• Externally balanced specifically for the 6.6L Duramax engine
• Manufacturer Part Number: 830111
• Made in the USA

Fits select 2002-2009 Infiniti FX35, G35, M35 and Nissan 350Z, Pathfinder (VQ35DE V6).

Protect your engine's rotating assembly with the Fluidampr 640901 performance harmonic damper. Factory rubber-based balancers are prone to degradation and are often tuned only for a narrow RPM range, which can lead to component failure as you increase power. Fluidampr utilizes a superior viscous design that controls harmful torsional vibration across the entire powerband, reducing wear on critical engine bearings and oil pumps while minimizing the risk of crankshaft failure.

This damper is precision CNC-machined from high-grade steel and features a corrosion-resistant black zinc finish with permanent engraved timing marks for easy adjustment. Unlike elastomer-style dampers, the viscous silicone fluid inside never requires maintenance or rebuilding, providing consistent, lifetime protection for high-performance builds. Made in the USA and trusted by professional engine builders worldwide.

• Manufacturer Part Number: 640901
• SFI 18.1 certified for professional racing
• Internally balanced steel construction
• Corrosion-resistant black zinc finish
• Engraved timing marks for accuracy
• Viscous silicone fluid requires no maintenance or tuning
• Made in the USA

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

Fits 1992-1998 Dodge D250, D350, Ram 2500, and Ram 3500 (5.9L).

Protect your engine from damaging torsional vibrations with a Fluidampr viscous damper. Unlike standard rubber-based dampers that deteriorate over time, this high-performance unit uses a silicone fluid to control harmonic frequencies across the entire RPM range. This superior design reduces wear on critical engine components, improves timing accuracy, and minimizes the risk of crankshaft failure in high-output 12V Cummins applications.

Precision CNC machined from high-grade steel, the 960311 features a corrosion-resistant black zinc finish and permanently engraved timing marks for accurate tuning. This damper is internally balanced and requires no ongoing maintenance or tuning throughout its service life.

• Manufacturer Part Number: 960311
• Certification: SFI 18.1 Spec
• Construction: High-grade steel with black zinc finish
• Balance: Internal
• Application: 5.9L 12V Cummins diesel engines
• Features: Engraved timing marks and maintenance-free viscous design
• Origin: Made in the USA

Fits 1998-2002 Dodge Ram 2500 and 3500 Base models (5.9L).

Protect your engine with professional-grade viscous damping technology. The Fluidampr 960301 is engineered to control harmful torsional vibrations across the entire RPM range, a critical upgrade for high-performance diesel engines. Unlike stock rubber dampers that can crack or fail under load, this unit uses a silicone fluid-filled housing to provide consistent vibration synchronization. This reduces wear on main bearings and timing gears while significantly lowering the risk of crankshaft failure.

• SFI 18.1 Certified: Meets strict safety standards for competition and high-performance use.
• Premium Construction: Precision CNC-machined from high-grade steel and internally balanced for the 5.9L Cummins.
• Durable Finish: Features a corrosion-resistant black zinc finish with laser-engraved timing marks for accurate tuning.
• Maintenance-Free: Sealed design requires no maintenance, tuning, or rebuilding over its lifespan.
• Made in USA: Manufactured to the highest tolerances for heavy-duty diesel applications.
• Part Number: 960301

Fits 2007-2025 Dodge and Ram 2500/3500 trucks equipped with the 6.7L Cummins diesel engine.

Protect your engine from harmful torsional vibrations with the Fluidampr performance viscous damper. Unlike stock rubber-based dampers that only target specific frequencies, this viscous damper uses a free-floating inertia ring submerged in high-viscosity silicone fluid to provide continuous protection across the entire RPM range. This design is essential for high-performance builds, helping to reduce crankshaft wear, prevent crank failure, and maintain accurate ignition timing.

Precision CNC machined from high-grade steel, the damper features a durable black zinc finish for corrosion resistance and engraved timing marks for easy reference. This unit is internally balanced, requires no maintenance or tuning, and is SFI 18.1 certified for competition use. Made in the USA.

• Manufacturer Part Number: 920321
• Certification: SFI 18.1 spec
• Material: High-grade CNC machined steel
• Finish: Corrosion-resistant black zinc
• Design: Viscous (silicone fluid) internal balance
• Installation: Replaces factory damper, maintenance-free
• Origin: Made in USA

Fits select 2015-2021 Dodge Challenger, Charger, and Jeep Grand Cherokee (6.2L).

High-performance modifications can push factory harmonic balancers beyond their limits. The Fluidampr 910302 is a premium viscous damper designed to protect your supercharged 6.2L engine by controlling harmful torsional vibrations across the entire RPM range. This internally balanced unit features an 11% overdrive (OD) pulley, making it an essential upgrade for increased boost applications and high-horsepower builds.

Precision CNC machined from high-grade steel and aluminum, this damper features a corrosion-resistant black zinc hub and a black anodized pulley with engraved timing marks. Unlike elastomer-based dampers, Fluidampr’s viscous design requires no maintenance and provides consistent protection for critical engine components, reducing the risk of crankshaft failure and improving timing accuracy.

• Manufacturer Part Number: 910302
• Certification: SFI 18.1
• Design: Viscous, Internally Balanced
• Pulley: 11% Overdrive
• Materials: CNC Machined Steel and Aluminum
• Finishes: Black Zinc Hub and Black Anodized Pulley
• Origin: Made in USA

Fits select 2001-2005 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 (6.6L).

Protect your Duramax engine with the same viscous damping technology trusted by heavy-duty diesel OEMs. The Fluidampr 890101 is engineered to control harmful torsional vibration across the entire RPM range, reducing the risk of crankshaft failure and minimizing wear on critical internal components. Unlike factory rubber dampers that degrade and have a limited frequency range, this viscous design uses a free-rotating inertia ring in a silicone fluid bath to provide consistent protection even in high-performance applications.

• Manufacturer Part Number: 890101
• SFI 18.1 certified for competition safety
• Precision CNC machined from high-grade steel
• Corrosion-resistant black zinc finish with permanent engraved timing marks
• Maintenance-free design requires no tuning or rebuilding
• Designed for externally balanced 6.6L Duramax engines
• Made in the USA

Fits select 2003-2007 Ford F-250 and F-350 Super Duty trucks equipped with the 6.0L PowerStroke engine.

Protect your engine with the same viscous damping technology used by heavy-duty diesel OEMs. The Fluidampr performance damper is designed to control harmful torsional vibration across the entire RPM range, far exceeding the capabilities of a standard rubber-based damper. By stabilizing the crankshaft, this unit reduces wear on critical internal components, improves timing accuracy, and minimizes the risk of catastrophic crankshaft failure in high-output applications.

Engineered for durability and performance, this damper features a precision CNC-machined high-grade steel housing with a corrosion-resistant black zinc finish. It is SFI 18.1 certified for competition use and requires no maintenance or tuning throughout its service life.

• Manufacturer Part Number: 870201
• SFI 18.1 certified for racing applications
• Precision CNC-machined high-grade steel construction
• Corrosion-resistant black zinc finish with laser-engraved timing marks
• Superior viscous design controls vibration at all engine speeds
• Maintenance-free operation with no rubber to degrade or fluid to change
• Made in the USA