The Fleece Performance TapShifter allows you to shift your 2001-2005 GM Allison Transmission with the touch of a button just like the 2006 and newer trucks. Perfect for towing, drag racing, daily driving and everything in-between, the TapShifter installs
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2003-2005	Chevrolet	Silverado 2500 HD	Base
2003-2005	Chevrolet	Silverado 2500 HD	LS
2003-2005	Chevrolet	Silverado 2500 HD	LT
2004	Chevrolet	Silverado 2500 HD	WT
2003-2005	Chevrolet	Silverado 3500	Base
2003-2005	Chevrolet	Silverado 3500	LS
2003-2005	Chevrolet	Silverado 3500	LT
2004	Chevrolet	Silverado 3500	WT
2003-2005	GMC	Sierra 2500 HD	Base
2003-2005	GMC	Sierra 2500 HD	SLE
2003-2005	GMC	Sierra 2500 HD	SLT
2003-2005	GMC	Sierra 2500 HD	WT
2003-2005	GMC	Sierra 3500	Base
2003-2005	GMC	Sierra 3500	SLE
2003-2005	GMC	Sierra 3500	SLT
2004-2005	GMC	Sierra 3500	WT