Fleece Allison Tapshifter

Introducing the Fleece Allison Tapshifter, the perfect solution for drivers looking to get the most out of their Duramax 2001-2016. The Tapshifter is easy to install and user-friendly, with a variety of features that make driving a breeze. With the ability to limit up-shifts, command downshifts, and disable overdrive, you'll have full control over your driving experience. Not to mention, the Tapshifter will decrease gear hunting, making every journey more enjoyable. So whether you're hitting the open road or cruising around town, do it in style with the Fleece Allison Tapshifter.

NOTE: Model years 2001-2002 require a TCM Re-Flash to enable the overdrive lock-out and ensure proper function. Refer to GM Technical Service Bulletin 02-07-30-051. Contact your local Chevrolet dealer for reflash and update if required.