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Take Control of Your Allison Transmission

Unlock the full potential of your 2001-2005 GM Allison transmission with the Fleece Performance TapShifter. This innovative upgrade brings the convenience and control of the 2006+ factory tap-shift feature to your earlier model truck. Whether you are towing heavy loads through mountain passes, drag racing, or simply daily driving, this kit allows you to manually select your gear with the touch of a button.

Performance Benefits

• Enhanced Towing Control: Manually downshift to maintain engine braking on steep descents.
• Improved Shift Logic: Take command of your transmission during spirited driving or track sessions.
• Seamless Integration: Designed to look and feel like a factory-installed feature.
• Easy Operation: Simple button interface allows for quick, intuitive gear changes without taking your eyes off the road.

The TapShifter is the ultimate tool for drivers who want more engagement with their vehicle. By giving you manual control over your Allison transmission, you can prevent unnecessary hunting for gears and keep your engine in the power band exactly when you need it. This kit is specifically designed for 2003-2005 Chevrolet Silverado and GMC Sierra 2500/3500 trucks equipped with the legendary LB7 or LLY Duramax engines. Installation is straightforward, providing an immediate upgrade to your driving experience. Gain total command of your drivetrain performance with this essential upgrade from GGCRACING.