GM 4L60E 4L65E 4L70E Transmission 2004-On Deluxe Power Pack Level 2 Rebuild Kit This transmission rebuild kit includes the High Energy Alto Friction Plates, 3-4 Alto Power Pack, Steel Plates, Sealing Rings, Metal Clad Seals, Gaskets, Orings, Filter, Band, Bushing kit, + Transgo Shift Kit, 29 element Fwd Sprag, 13 Vane Pump Kit, 1-2 accumulator piston, 3-4 accumulator piston, Fwd accumulator piston, and Corvette Servo.This pack comes with the Alto PowerPack for the 3-4. This PowerPack has additional clutches to increase friction plate capacity. This allows for an increased torque load with reduced heat generation.