4L80E Truck Retrofit Kit

Transmission Kit equipped with the following items:

  • Alto Red Eagle® high performance clutches;
  • Kolene® coated steel plates;
  • 34 element H.D. sprag w/spiral-loc retainer;
  • New input & low roller assemblies;
  • 4 clutches in 2nd gear for more holding power;
  • TransGo® Towing/HD Shift kit installed;
  • CompuShift® ECM, harness, and display box;
  • New thrust-washers and bushings;
  • Fully programmable shift timing and firmness.
  • Heavy-Duty Loc-up Towing Torque Converter
  • Dyno Tested

Core Required