Super heavy duty 6L80E-6L90E 2WD or 4X4

6L80E/6L90E rated up to 650 HP

Maddog!!Super heavy duty 6L80E-6L90E 2WD or 4X4 transmission with billet converter!!  This is the complete solution for your 6L80E / 6L90E Transmission. We start off with an updated 4, 5, 6 Drum, all new molded pistons, all new bushings, new dual gage hardened sprage, all new high energy clutches, all new gaskets, o rings & lip seals. We also include a 6L80 6L90 full Billet converter with an upgraded Billet steel stator. This Billet 6L80 / 6L90 Converter is a factory stall.  Higher stalls are available at an additional price. The stock pump rotor has been known to explode with very fast acceleration due to suddencentrifugal force.  We put in a new updated pump machined for the larger Sonnax Boost valve. We also put in a new TCM in the Valve Body. Custom tuning must be performed to the TCM to accommodate the new parts.  Core charge for 6L80E is $600 core charge for 6L90E is $750.00.

Call us at Maddodog transmissions  770-781-0949    7 days a week from 8 am to 10 pm EST.