Serious power requires a serious damper. Protect your truck?s engine with the technology preferred by heavy duty diesel OEMs. Superior viscous damper design controls harmful torsional vibration across the entire rpm range. Reduce wear on engine components. Reduce risk of crankshaft failure. Improve timing. Unleash lost torque and horsepower. Competition built precision CNC machined and balanced high-grade steel components. Corrosion resistant black zinc finish with engraved timing marks. No maintenance required. Trusted by leading performance diesel engine builders worldwide. SFI 18.1 certified. Made in USA.. Harmonic Balancer - Fluidampr - GM / Chevy - 2001-2018 6.6L Duramax - Internal Balance - Steel - Black Zinc - 7-3/4" - 22.3 lbs - SFI 18.1 - Made in the USA - Each. Fluidampr 01-18 GM / Chevy 6.6L Duramax Internally Balanced Damper - Harmonic Balancer. Harmonic Balancer - Fluidampr - 2001-2018 GM/Chevy 6.6L Duramax - Int Bal - Each. SFI 18.1 spec. Race proven for over 35 years.. Reduce wear on critical engine parts.. Fluidampr Performance Diesel Damper. Reduce risk of crankshaft failure.. Unleash lost torque & horsepower.. Broad RPM range protection.. Engine Harmonic Balancer. No maintenance required.. Superior durability.. Harmonic Balancer. Made in USA.. Fluidampr. fdr760131

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