Description

We have kits that will let you put a 6L80E or 6L90E behind any LS, LT and L8T engines using the GM ECM with the 58x operating system. Our Stage 1 build can handle 750 Hp Stage 2 is rated at 850 Hp and Stage 3 for 1000 hp. 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 comes stock 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 LS, GEN 5  LT4 or LT5 engine. We offer either 6L80E and 6L90E transmissions kits (Stage 2 pricing is extra). They included the following hardware.

• Transmission
• Torque Converter
• Standalone Harnesses are Extra

Shipping charges are extra
Core Charge

** Customer is responsible for shipping charges on core return.
*** Enter the Converter Stall, Engine Hp and Torque.