Gen IV and Gen V Chevrolet Engine 6L80E/6L90E 6 Speed Conversion Kit




We have kits that will let you put a 6L80E or 6L90E behind any LS Engine using the GM ECM with the 58x operating system. We match the transmission calibration to your ecm. It doesn’t matter what base engine calibration you start with, as long as it is the original GM operating system. Transmission come with up to a 2500 stall converter. Higher stall converters are available for an additional cost. We offer standalone harness’, ECM’s, Paddle shifters, floor shifter with TAP and numerous other items to make the install clean and easy.

These GM kits comes with all the hardware to directly bolt the transmission to the GEN 4 or 5 engine. We offer either 6L80E and 6L90E transmissions kits (Stage 2 pricing is extra). They included the following hardware.

  • Transmission
  • Torque Converter(2500 stall) (Production)
  • ECM and complete engine/transmission harness
  • Base Transmission and Engine Tune

Shipping charges are extra