Chevy 4L65E / 4L70E Transmission Raybestos Deluxe Level 2 W/GPZ 3-4 Rebuild kit 2004-On This transmission rebuild kit includes Stock Raybestos Friction clutches with the GPZ grade frictions in the 3-4 drum, Steel Plates, Bonded Pistons, Sealing Rings, Metal Clad Seals, Gaskets, & O-rings + Raybestos Pro Series band, filter, & Bushing Kit + Sonnax 4th Servo, 13 vane pump kit, Sonnax 2-3 shift valve, 29 Element Forward Sprag, Low/Reverse Sprag, Sonnax 3-4 Clutch boost springs. All these kits have Raybestos clutches, and Transtec Gasket kits.