2001-2010 GM 6.6L w/ Allison Transmission Duramax Valve Body Recalibration Kit 2009-2010-gmc-sierra-1500-4-8l-v8-gas-esi8229558 Designed for factory fit

Designed for factory fit

that is why PPE has designed the Allison Valve Body Recalibration Kit (VBR kit)

we recommend a periodic re-grease using the built-in zerk fitting

This coolant pipe is custom fabricated with a heavy-duty flange

resulting in a transmission fluid leak or worse

2001-2010 GM 6.6L w/ Allison Transmission Duramax Valve Body Recalibration Kit 2009-2010-gmc-sierra-1500-4-8l-v8-gas-esi8229558 Designed for factory fitEven the venerable Allison transmission can use some well placed improvements; that is why PPE has designed the Allison Valve Body Recalibration Kit (VBR kit). The VBR kit is perfect for those individual who really punish their vehicles in activities such as towing, racing or extreme work. This kit corrects and reduces the Allison from going into neutral under a load. It also prevents 3rd to 4th gear slips, C2 or C3 clutch burning, and the tendency of