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The BD Diesel Tap Shifter kit for 2003–2005 Chevy Duramax with Allison 1000 provides fingertip control for quick gear changes when passing, towing or hill climbing. It includes a pre-bent ergonomic shift lever, a control module and a dressed harness with factory plug-in connections for straightforward installation. The system integrates cleanly with factory wiring and enhances driving control, and it’s compatible with engine retarders such as BD's exhaust brake.
BD Diesel TapShifter - Chevy 2003-2005 Duramax Allison 1000 - Button Gear Selection
