Fleece FPE-TAPSHIFTER35 Allison TapShifter.
Shift your Allison Transmission with the touch of a button.
For 2003, 2004, 2005 GM 6.6L Duramax LB7 LLY

The Fleece Performance TapShifter allows you to shift your 2003-2005 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 2003-2005 trucks with an Allison Transmission.

Installation:The TapShifter installs using OEM high quality connectors for a completely plug and play installation in less than 30 minutes.

Operation: TapShifter Operation is very straight forward. To downshift depress the "-" button on the shifter. To upshift press the "+" button. The TapShifter will allow you to select a range with the shift lever and then tap up and down without worry of tapping to a higher range than selected. This feature is great for sled pullers who do not want to shift to 4th gear on the track!

Features:

• Easy Plug & Play Installation
• Limits Up-Shifts
• Overdrive Disable*
• Command Downshifts
• Decrease Gear Hunting