Chevy 4L80E Transmission Combo Kit / Swap Kit to a 4L80E from a 4L60E.
# K12. Fits all Chevy 4L80E transmissions. You get all 5 Alto Red Eagle Power Packs for 1st, 2nd, 3rd, overdrive and red overrun, plus a Transgo Shift Kit. Transgo Shift Kits instantly reprogram automatic transmissions for high performance and durability. It comes with a Compushift Sport ECM (Electronic Control Module) to control the shifts and converter clutch lock-up. This is a complete master kit with an overhaul kit and pistons included. Putting an electronically controlled 4L80E transmission into a street rod, truck, RV or any non-overdrive vehicle was never so easy.