Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Drivetrain~Transmission Pans Fuel Pump to Rail Line

Fuel Pump to Rail Line

Great Add-On To ARP 250-4202 Head Stud Kit (sold separately)

Ram: 2500 11 - 24 6

1996 Chevrolet K1500 Cheyenne

Sure-loc snap rings

Mishimoto 2017+ GMC 6.6L Duramax L5P Transmission Thermal Bypass Valve Kit Drivetrain~Transmission Pans Fuel Pump to Rail LineThe Allison transmission is the backbone of your L5P Duramax. It's responsible for transmitting large quantities of torque from your V8 diesel powerplant. This torque generates a lot of heat, and if that heat isn't dissipated, it can destroy your transmission. The transmission cooler does a good job of keeping trans fluid temperatures in check, but only if the fluid can reach it. The stock cooling system of the Allison 1000 transmission utilizes an in