GM Turbo Hydromatic 400 Transmission High Energy Less Steel Rebuild Kit Level 2 This Kit has High Energy (Green) Alto Frictions Part# 34004C_Level 2 This rebuild kit includes all of the Friction Clutches, Sealing Rings, Metal Clad Seals, Gaskets, Orings & Rubber Piston Seals + Front Band, Pump Bushing, Ext Housing Bushing, Filter, and Modulator! This Transmission Kit is one we sell everyday to Transmission Shops, it fits the THM400 1965-UP High Energy (Green) Friction Clutches Manufactured by Alto and Gasket Sets made by the Co. TRANSTEC