17-21 GM Duramax L5P HP Tuners New GM Unlocked T87A TCM TCM Type:Serv# 24289543 Keeps cargo away from the

Keeps cargo away from the elements

Includes the longest stud and spacer kit that fits across all 8-cylinders

1’’ internal baffles improve heat dissipation and reduce sloshing

Adequate fuel flow is vital to producing maximum efficient/clean horsepower

7 Style Ford Shift Lever

17-21 GM Duramax L5P HP Tuners New GM Unlocked T87A TCM TCM Type:Serv# 24289543 Keeps cargo away from the*Please check with us to make sure this is in stock, due to high demand they come and go in stock often* You can now purchase New GM T87A TCMs for your 2017+ GM vehicle equipped with the 10 Speed and 8 Speed transmissions directly from HP Tuners that are already unlocked and ready for tuning. New GM Unlocked T87A TCMs You can now purchase New GM T87A TCMs for your 2017+ GM vehicle equipped with the 10 Speed and 8 Speed transmissions directly from HP