2003-2005 GM/Allison TapShifter Duramax L5P Spools FASTER than the old

Spools FASTER than the old 0

so for customers in severe duty conditions such as farming and off-road

Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications

3 Powerstroke engine's performance with the KC300x Stage 2 63/73 Gen 2 Turbo

2003-2005 GM/Allison TapShifter Duramax L5P Spools FASTER than the oldThe 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 in no time and provides factory like operation, functionality and styling. The TapShifter can be used in the gas or diesel 2001 2005 trucks with an Allison Transmission. Installation: The TapShifter