Fleece Performance
Fleece Performance TapShifter Kit — Fits 03-05 GM Duramax 6.6L Allison
Fleece Performance TapShifter Kit — Fits 03-05 GM Duramax 6.6L Allison
Fleece Performance TapShifter Kit — Fits 03-05 GM Duramax 6.6L Allison
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Fleece Performance TapShifter Kit — Fits 03-05 GM Duramax 6.6L AllisonFleece Performance TapShifter Kit — Fits 03-05 GM Duramax 6.6L AllisonFleece Performance TapShifter Kit — Fits 03-05 GM Duramax 6.6L Allison
Fleece Performance

Fleece Performance TapShifter Kit — Fits 03-05 GM Duramax 6.6L Allison

SKU: FPEFPE-TAPSHIFTER35

About Fleece Performance Fleece Performance engineers high-quality automotive parts and ...Read more

Price:
$448.88
4480 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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About Fleece Performance

Fleece Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Fleece Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

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.

About Fleece Performance

Fleece Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Fleece Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

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.

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