Hi-Performance GM 4L80E Rebuild Kit with ALTO Red Eagle Friction Clutches . This Super High Quality Kit is made by TRANSPARTS This rebuild kit includes all of the High Performance Red Eagle Alto Friction Plates, Bonded Pistons, Sealing Rings, Metal Clad Seals, Gaskets, Orings & Rubber Piston Seals. This Transmission Kit is one we sell everyday to Transmission and Diesel Performance Shops, it fits the GM 4L80E 1997-ON. These plates are Red Eagle high performance clutch plates. These clutches are put through a process where the friction paper is saturated in a phenolic resin, cured, and then saturated a second time in a silicate. The silicate imparts high heat resistance. So why not use what the professionals use! All these Kits have Clutches Manufactured by Alto (Red Eagle) and Gasket Sets made by the Co. TRANSTEC