17-21 GM Duramax L5P HP Tuners New GM Unlocked T87A TCM Tuner Incorporated dual 1/8 NPT EGT

Incorporated dual 1/8 NPT EGT ports as well as the provision to use a factory EGT sensor

LML) end is made from billet aluminum and 304 stainless steel

Fast and simple installation

Designed for use with Duramax Style CP3 pump

17-21 GM Duramax L5P HP Tuners New GM Unlocked T87A TCM Tuner Incorporated dual 1/8 NPT EGT*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