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Fluidampr
Premium engine protection from street to pro-competition. Fluidampr performance dampers provide long term durability, plus unleash lost torque and horsepower, by controlling destructive crankshaft torsional vibration throughout your entire rpm range. Install as an upgrade to OEM elastomer style harmonic balancer whenever engine modifications are made. Features enhanced superior viscous damper technology with precision CNC machined and computer balanced high-grade steel components. No tuning or maintenance required. SFI 18.1 approved, race proven for over 25 years. Made in USA. ISO 9001:2008 certified company.
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![Harmonic Balancer for 2015-2021 Dodge and Jeep 6.2L Supercharged Hellcat Hemi [11% Overdrive, Internal Balance]](https://www.jegs.com/images/mini_100/300/388/388-910302.jpg)
FLUIDAMPR
Harmonic Balancer for 2015-2021 Dodge and Jeep 6.2L Supercharged Hellcat Hemi [11% Overdrive, Internal Balance]
Part Number: 388-910302
Ships on Nov 02, 2026
Lowest price guarantee![Harmonic Balancer for 2015-2021 Dodge and Jeep 6.2L Supercharged Hellcat Hemi [11% Overdrive, Internal Balance]](https://www.jegs.com/images/mini_200/300/388/388-910302.jpg)
FLUIDAMPR
Harmonic Balancer for 2015-2021 Dodge and Jeep 6.2L Supercharged Hellcat Hemi [11% Overdrive, Internal Balance]
Part Number: 388-910302
Ships on Nov 02, 2026Lowest Price Guarantee
FLUIDAMPR
Performance Diesel Series Harmonic Damper 2003-09 Dodge 5.9L for Cummins
Part Number: 388-920301
Ships on Nov 02, 2026Lowest price guarantee
FLUIDAMPR
Performance Diesel Series Harmonic Damper 2003-09 Dodge 5.9L for Cummins
Part Number: 388-920301
Ships on Nov 02, 2026Lowest Price Guarantee![Harmonic Balancer for Chevy Small Block 400ci [External Balance, 7-1/4 in., Black Zinc]](https://www.jegs.com/images/mini_100/300/388/388-720111.jpg)
FLUIDAMPR
Harmonic Balancer for Chevy Small Block 400ci [External Balance, 7-1/4 in., Black Zinc]
Part Number: 388-720111
Ships on Nov 02, 2026Lowest price guarantee![Harmonic Balancer for Chevy Small Block 400ci [External Balance, 7-1/4 in., Black Zinc]](https://www.jegs.com/images/mini_200/300/388/388-720111.jpg)
FLUIDAMPR
Harmonic Balancer for Chevy Small Block 400ci [External Balance, 7-1/4 in., Black Zinc]
Part Number: 388-720111
Ships on Nov 02, 2026Lowest Price Guarantee
![Harmonic Balancer Holding Tool [2.832-4.710 in. Bolt Circle, 1/2 in. Drive]](https://www.jegs.com/images/mini_100/300/388/388-300020.jpg)
FLUIDAMPR
Harmonic Balancer Holding Tool [2.832-4.710 in. Bolt Circle, 1/2 in. Drive]
Part Number: 388-300020
Ships on Nov 02, 2026Lowest price guarantee![Harmonic Balancer Holding Tool [2.832-4.710 in. Bolt Circle, 1/2 in. Drive]](https://www.jegs.com/images/mini_200/300/388/388-300020.jpg)
FLUIDAMPR
Harmonic Balancer Holding Tool [2.832-4.710 in. Bolt Circle, 1/2 in. Drive]
Part Number: 388-300020
Ships on Nov 02, 2026Lowest Price Guarantee![Crankshaft Adapter Hub Kit for Subaru FA24, FB20 and FB25 [For Fluidampr 571101]](https://www.jegs.com/images/mini_100/300/388/388-300023.jpg)
FLUIDAMPR
Crankshaft Adapter Hub Kit for Subaru FA24, FB20 and FB25 [For Fluidampr 571101]
Part Number: 388-300023
Ships on Nov 02, 2026Lowest price guarantee![Crankshaft Adapter Hub Kit for Subaru FA24, FB20 and FB25 [For Fluidampr 571101]](https://www.jegs.com/images/mini_200/300/388/388-300023.jpg)
FLUIDAMPR
Crankshaft Adapter Hub Kit for Subaru FA24, FB20 and FB25 [For Fluidampr 571101]
Part Number: 388-300023
Ships on Nov 02, 2026Lowest Price Guarantee![15% Underdrive Crankshaft Pulley for Toyota 2JZ Fluidampr 840801 [5 in. OD, 6-Rib]](https://www.jegs.com/images/mini_100/300/388/388-500809.jpg)
FLUIDAMPR
15% Underdrive Crankshaft Pulley for Toyota 2JZ Fluidampr 840801 [5 in. OD, 6-Rib]
Part Number: 388-500809
Ships on Nov 02, 2026Lowest price guarantee![15% Underdrive Crankshaft Pulley for Toyota 2JZ Fluidampr 840801 [5 in. OD, 6-Rib]](https://www.jegs.com/images/mini_200/300/388/388-500809.jpg)
FLUIDAMPR
15% Underdrive Crankshaft Pulley for Toyota 2JZ Fluidampr 840801 [5 in. OD, 6-Rib]
Part Number: 388-500809
Ships on Nov 02, 2026Lowest Price Guarantee
![Harmonic Balancer for 2006-2008 Volkswagen and Audi 2.0L FSI EA113 [5.625 in. OD, Internal Balance]](https://www.jegs.com/images/mini_100/300/388/388-551211.jpg)
FLUIDAMPR
Harmonic Balancer for 2006-2008 Volkswagen and Audi 2.0L FSI EA113 [5.625 in. OD, Internal Balance]
Part Number: 388-551211
Ships on Nov 02, 2026Lowest price guarantee![Harmonic Balancer for 2006-2008 Volkswagen and Audi 2.0L FSI EA113 [5.625 in. OD, Internal Balance]](https://www.jegs.com/images/mini_200/300/388/388-551211.jpg)
FLUIDAMPR
Harmonic Balancer for 2006-2008 Volkswagen and Audi 2.0L FSI EA113 [5.625 in. OD, Internal Balance]
Part Number: 388-551211
Ships on Nov 02, 2026Lowest Price Guarantee![Stock Diameter Crankshaft Pulley for Toyota 2JZ Fluidampr 840801 [6 in. OD, 6-Rib]](https://www.jegs.com/images/mini_100/300/388/388-570809.jpg)
FLUIDAMPR
Stock Diameter Crankshaft Pulley for Toyota 2JZ Fluidampr 840801 [6 in. OD, 6-Rib]
Part Number: 388-570809
Ships on Nov 02, 2026Lowest price guarantee![Stock Diameter Crankshaft Pulley for Toyota 2JZ Fluidampr 840801 [6 in. OD, 6-Rib]](https://www.jegs.com/images/mini_200/300/388/388-570809.jpg)
FLUIDAMPR
Stock Diameter Crankshaft Pulley for Toyota 2JZ Fluidampr 840801 [6 in. OD, 6-Rib]
Part Number: 388-570809
Ships on Nov 02, 2026Lowest Price Guarantee![Harmonic Balancer for 2009-2021 Nissan GT-R R35 VR38DETT [6 in. OD, Internal Balance]](https://www.jegs.com/images/mini_100/300/388/388-570901.jpg)
FLUIDAMPR
Harmonic Balancer for 2009-2021 Nissan GT-R R35 VR38DETT [6 in. OD, Internal Balance]
Part Number: 388-570901
Ships on Nov 02, 2026Lowest price guarantee![Harmonic Balancer for 2009-2021 Nissan GT-R R35 VR38DETT [6 in. OD, Internal Balance]](https://www.jegs.com/images/mini_200/300/388/388-570901.jpg)
FLUIDAMPR
Harmonic Balancer for 2009-2021 Nissan GT-R R35 VR38DETT [6 in. OD, Internal Balance]
Part Number: 388-570901
Ships on Nov 02, 2026Lowest Price Guarantee
FLUIDAMPR
Street Series Harmonic Damper Toyota/for Subaru/Scion With 2.0L FA20(for Subaru) Or 4U-GSE (Toyota) Engine
Part Number: 388-571101
Ships on Nov 02, 2026Lowest price guarantee
FLUIDAMPR
Street Series Harmonic Damper Toyota/for Subaru/Scion With 2.0L FA20(for Subaru) Or 4U-GSE (Toyota) Engine
Part Number: 388-571101
Ships on Nov 02, 2026Lowest Price Guarantee
![Harmonic Balancer for 1989-1994 Nissan Skyline R32 GT-R RB26DETT [6.125 in. OD, Internal Balance]](https://www.jegs.com/images/mini_100/300/388/388-610901.jpg)
FLUIDAMPR
Harmonic Balancer for 1989-1994 Nissan Skyline R32 GT-R RB26DETT [6.125 in. OD, Internal Balance]
Part Number: 388-610901
Ships on Nov 02, 2026Lowest price guarantee![Harmonic Balancer for 1989-1994 Nissan Skyline R32 GT-R RB26DETT [6.125 in. OD, Internal Balance]](https://www.jegs.com/images/mini_200/300/388/388-610901.jpg)
FLUIDAMPR
Harmonic Balancer for 1989-1994 Nissan Skyline R32 GT-R RB26DETT [6.125 in. OD, Internal Balance]
Part Number: 388-610901
Ships on Nov 02, 2026Lowest Price Guarantee
FLUIDAMPR
Race Series Harmonic Damper Honda B Series with 40% Underdrive Alt Pulley Only
Part Number: 388-620601
Ships on Nov 02, 2026Lowest price guarantee
FLUIDAMPR
Race Series Harmonic Damper Honda B Series with 40% Underdrive Alt Pulley Only
Part Number: 388-620601
Ships on Nov 02, 2026Lowest Price Guarantee
![Harmonic Balancer for 2011-2024 Ford 5.0L Coyote [7 in. OD, Internal Balance]](https://www.jegs.com/images/mini_100/300/388/388-700232.jpg)
FLUIDAMPR
Harmonic Balancer for 2011-2024 Ford 5.0L Coyote [7 in. OD, Internal Balance]
Part Number: 388-700232
Ships on Nov 02, 2026Lowest price guarantee![Harmonic Balancer for 2011-2024 Ford 5.0L Coyote [7 in. OD, Internal Balance]](https://www.jegs.com/images/mini_200/300/388/388-700232.jpg)
FLUIDAMPR
Harmonic Balancer for 2011-2024 Ford 5.0L Coyote [7 in. OD, Internal Balance]
Part Number: 388-700232
Ships on Nov 02, 2026Lowest Price Guarantee![Harmonic Balancer Friction Washer for 2001-2018 GM 6.6L Duramax [Diamond-Impregnated]](https://www.jegs.com/images/mini_100/300/388/388-760131-fw01.jpg)
FLUIDAMPR
Harmonic Balancer Friction Washer for 2001-2018 GM 6.6L Duramax [Diamond-Impregnated]
Part Number: 388-760131-FW01
Ships on 11/30/2026Lowest price guarantee![Harmonic Balancer Friction Washer for 2001-2018 GM 6.6L Duramax [Diamond-Impregnated]](https://www.jegs.com/images/mini_200/300/388/388-760131-fw01.jpg)
FLUIDAMPR
Harmonic Balancer Friction Washer for 2001-2018 GM 6.6L Duramax [Diamond-Impregnated]
Part Number: 388-760131-FW01
Ships on 11/30/2026Lowest Price Guarantee![Harmonic Balancer Friction Washers for 1989-2018 Dodge and Ram 5.9L and 6.7L Cummins [Diamond-Impregnated]](https://www.jegs.com/images/mini_100/300/388/388-960341-fw03.jpg)
FLUIDAMPR
Harmonic Balancer Friction Washers for 1989-2018 Dodge and Ram 5.9L and 6.7L Cummins [Diamond-Impregnated]
Part Number: 388-960341-FW03
Ships on 11/03/2026Lowest price guarantee![Harmonic Balancer Friction Washers for 1989-2018 Dodge and Ram 5.9L and 6.7L Cummins [Diamond-Impregnated]](https://www.jegs.com/images/mini_200/300/388/388-960341-fw03.jpg)
FLUIDAMPR
Harmonic Balancer Friction Washers for 1989-2018 Dodge and Ram 5.9L and 6.7L Cummins [Diamond-Impregnated]
Part Number: 388-960341-FW03
Ships on 11/03/2026Lowest Price Guarantee![Harmonic Balancer Friction Washer for 1989-2018 Dodge and Ram 5.9L and 6.7L Cummins [Diamond-Impregnated]](https://www.jegs.com/images/mini_100/300/388/388-960341-fw01.jpg)
FLUIDAMPR
Harmonic Balancer Friction Washer for 1989-2018 Dodge and Ram 5.9L and 6.7L Cummins [Diamond-Impregnated]
Part Number: 388-960341-FW01
Ships on 11/03/2026Lowest price guarantee![Harmonic Balancer Friction Washer for 1989-2018 Dodge and Ram 5.9L and 6.7L Cummins [Diamond-Impregnated]](https://www.jegs.com/images/mini_200/300/388/388-960341-fw01.jpg)
FLUIDAMPR
Harmonic Balancer Friction Washer for 1989-2018 Dodge and Ram 5.9L and 6.7L Cummins [Diamond-Impregnated]
Part Number: 388-960341-FW01
Ships on 11/03/2026Lowest Price Guarantee