The Fleece Allison Tapshifter is the perfect addition to your 2001-2005 Duramax truck. This easy-to-install product helps limit up-shifts, disable overdrive, and command downshifts, making your driving experience more enjoyable. The Tapshifter also decreases gear hunting and comes with a 1 year limited warranty. Don't miss out on this great product!
-Eliminates the need to use the clutch when shifting
-Installs in minutes using OEM connectors
-Comes with a range selector for precise shifting