This rebuild kit includes all of the Friction Clutches, Steel Plates, 2WD Filter, Intermediate Band, Complete Bushing Kit, Sealing Rings, Metal Clad Seals, Gaskets, Orings, and Rubber Piston Seals. NOTE: This kit comes with a 2WD filter if you have a 4WD please see our other listing. All these Kits have Clutches Manufactured by Alto and Gasket Sets made by the Co. TRANSTEC. This E4OD Transmission is the Electronically Controlled 4 Speed Overdrive That comes in some Light Trucks, Vans E & F Series 2wd & 4wd. For the Trucks in the 8500-16000lb GVW Range 5.0L, 5.8L, 7.3L & 7.5L Engines.