ATS TCM Upgrade, A50 To T87 4-Wheel Drive For 2011-2014 GM 6.6L Duramax exhaust mufflers & tips our Baja Designs drop in

our Baja Designs drop in replacement headlight kit is a major upgrade from stock and features a rugged design

6L Duramax W/ 10R1000 Transmission

We have more experience with the 6R140 than most shops one the market

The new Stealth Magnum Grip™ Pro-Stick™ shifter is a console shifter designed for use in swap applications using a NAG1 transmission

ATS TCM Upgrade, A50 To T87 4-Wheel Drive For 2011-2014 GM 6.6L Duramax exhaust mufflers & tips our Baja Designs drop inThe A50 and T14 TCM that is used to control the Allison 6 speed automatic transmission is the weak link of the Allison transmission. This is due to delicate thin wires inside the TCM that contact one another overtime and short out the entire module. In 2022, Allison sent out a letter (SIL 15 1K2K 22) announcing the discontinuation of support for the A50 and T14 TCMs. This effectively left over 10,000 Duramax owners out of their trucks. Some of the