Chevy 4L65E 4L70E Transmission Raybestos Performance Master Stage 1 Level 2 GPZ 3-4 Performance Rebuild kit 2004-On This transmission rebuild kit includes the Raybestos Stage 1 Friction Plates and GPZ performance clutches in the 3-4 drum, Kolene Coated Steel Plates, Sealing Rings, Metal Clad Seals, Gaskets, O-rings & Rubber Piston Seals + Raybestos Pro Series Band, Filter, Pump Bushing, Extension Housing Bushing.