GDP 2020-2023 6.6L Duramax Custom Transmission Tuning Package STEERING KITS 1999-2007 Chevrolet/GMC 1500 Includes our exclusive smart Trim/Clutch

Includes our exclusive smart Trim/Clutch Control valve assemblies for increased durability

BD's 68RFE is the industry leading transmission

2 inch front lift

The Mahle Upper Engine Gasket Set includes all the seals and gaskets for the Top end of your 6

GDP 2020-2023 6.6L Duramax Custom Transmission Tuning Package STEERING KITS 1999-2007 Chevrolet/GMC 1500 Includes our exclusive smart Trim/ClutchGDP 2020 2023 6. 6L Duramax Custom Transmission Tuning Package Package Includes: HP Tuners Unlocked T87 TCM HP Tuners MPVI3 (Optional) 4 HP Tuners Tuning Credits (Optional) GDP Transmission Tune Note An HP Tuners MPVI3 & 4 Tuning credits are required to load the transmission tune into the vehicle