GM Turbo Hydromatic Hi-Performance 350 Transmission Rebuild Kit w/ALTO High Energy Friction Plates This rebuild kit has all of your High Energy Friction Plates, Steel Plates, Front Band, Pump Bushing, Rear Bushing, Filter, Modulator, Sealing Rings, Metal Clad Seals, Gaskets, O-rings & Rubber Piston Seals. This Transmission Kit is one we sell everyday to Transmission Shops, it fits the THM350 1969-up. So why not use what the professionals use! All these Kits have Sealing rings made by SPX/Filtran or Stellar, Clutches Manufactured by Alto(the Green High Energy) and Gasket Sets made by the Co. TRANSTEC