Hi-Performance 350 Rebuild Kit with ALTO High Energy Friction Clutches This Super High Quality Kit is made by TRANSPARTS This rebuild kit includes all of the High Energy Friction Plates, Steel Plates, Sealing Rings, Metal Clad Seals, Gaskets, Orings & Rubber Pistion Seals. This Transmission Kit is one we sell everyday to Transmission Shops, it fits the THM350 & THM350C 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