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.

Vehicle Fitment

Years	Make	Model	Trim
2001–2005	Chevrolet	Silverado 2500 HD	Base
2001–2005	Chevrolet	Silverado 2500 HD	LS
2001–2005	Chevrolet	Silverado 2500 HD	LT
2004–2005	Chevrolet	Silverado 2500 HD	WT
2001–2005	Chevrolet	Silverado 3500	Base
2001–2005	Chevrolet	Silverado 3500	LS
2001–2005	Chevrolet	Silverado 3500	LT
2004	Chevrolet	Silverado 3500	WT
2002–2005	GMC	Sierra 2500 HD	Base
2001–2002	GMC	Sierra 2500 HD	SL
2001–2005	GMC	Sierra 2500 HD	SLE
2001–2005	GMC	Sierra 2500 HD	SLT
2003–2005	GMC	Sierra 2500 HD	WT
2002–2005	GMC	Sierra 3500	Base
2001–2002	GMC	Sierra 3500	SL
2001–2005	GMC	Sierra 3500	SLE
2001–2005	GMC	Sierra 3500	SLT
2004–2005	GMC	Sierra 3500	WT