Serious power requires a serious damper. Protect your truck 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 mark. No maintenance required. Trusted by leading performance diesel engine builders worldwide. SFI 18.1 certified. Made in USA.
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2021	Chevrolet	Silverado 2500 HD	Custom
2020-2021	Chevrolet	Silverado 2500 HD	High Country
2020-2021	Chevrolet	Silverado 2500 HD	LT
2020-2021	Chevrolet	Silverado 2500 HD	LTZ
2020-2021	Chevrolet	Silverado 2500 HD	WT
2020-2021	Chevrolet	Silverado 3500 HD	High Country
2020-2021	Chevrolet	Silverado 3500 HD	LT
2020-2021	Chevrolet	Silverado 3500 HD	LTZ
2020-2021	Chevrolet	Silverado 3500 HD	WT
2020-2021	GMC	Sierra 2500 HD	AT4
2020-2021	GMC	Sierra 2500 HD	Base
2020-2021	GMC	Sierra 2500 HD	Denali
2020-2021	GMC	Sierra 2500 HD	SLE
2020-2021	GMC	Sierra 2500 HD	SLT
2020-2021	GMC	Sierra 3500 HD	AT4
2020-2021	GMC	Sierra 3500 HD	Base
2020-2021	GMC	Sierra 3500 HD	Denali
2020-2021	GMC	Sierra 3500 HD	SLE
2020-2021	GMC	Sierra 3500 HD	SLT