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Looking for aftermarket parts to modify or upgrade your 2003 GMC Sierra 2500 HD with shifters? At Tunersports.com we carry a huge selection of the top name brand performance shifter parts and accessories.
 IN STOCK - DROPSHIPS 1604720BD Diesel Shift Kit - Chev Allison 1000 2001-2005 5spd 2001-2008 GMC Sierra 2500 HD SLE / SLT 2002-2005 GMC Sierra 2500 HD Base 2003-2008 GMC Sierra 2500 HD WT $433.95 |
 IN STOCK - DROPSHIPS 1031361BD Diesel TapShifter - Chevy 2003-2005 Duramax Allison 1000 - Button Gear Selection 2003-2005 GMC Sierra 2500 HD Base / SLE / SLT / WT $482.95 |
 OUT OF STOCK FPE-TAPSHIFTER35The 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... Fleece Performance 03-05 GM Duramax 6.6L LB7 / LLY GM/Allison TapShifter 2003-2005 GMC Sierra 2500 HD Base / SLE / SLT / WT $414.81 |