Site Updated: 6/20/17
The 4L65E is an automatic transmission designed for longitudinal engine configurations. This transmission will work with LS1/LS2/LS3/LS7 & Late Model Vortec Engines. The 4L65E has 4 forward gears and a reverse. The 4L65E features five-pinion gearsets, heat-treated stator shaft splines, induction-hardened turbine shaft, seven-plate clutch and revised valve-body calibration.
Gear Ratios are as followed:
1st - 3.06, 2nd - 1.63, 3rd - 1.00, 4th - 0.696, R - 2.29
Southern Performance Systems offers a 4L65E Transmission Package that includes:
4L65E Transmission Package