GearStar GM 4L70E Level 3 Transmissions

GearStar GM 4L70E Level 3 transmissions come with a custom billet Yank Performance torque converter. This is the first of many upgrades that go into making sure that each transmission is not only built for performance applications to handle up to 500 crank horsepower or 500 crank foot-pounds of torque. These transmissions feature a 15-pin main harness connector that's designed for factory GM applications from 2008+ or other standalone transmission controllers that utilize the input shaft speed sensor. They come with Raybestos Stage 1 frictions, hardened sun shell, expanded capacity input drum with reinforcing sleeve, and a Transgo valve body reprogramming shift kit with shift command. These units come with all new electrics, including the wiring harness, all sensors and solenoids—along with all new bushings, bearings, and seals. Every transmission is assembled by one of GearStar's five expert builders. The transmission packages arrive dyno tested with 100 miles already on the product, which means the break-in procedure has been done and they're ready to go! Show Less