Compatible With: GM 4L80E 4 Speed Overdrive Less Steel Overhaul Rebuild Kit for Years 1997-Up This rebuild kit includes all the Friction Plates made by ALTO, Sealing Rings, Metal Clad Seals, Gaskets, O-rings, Rubber Piston Seals, Bonded Pistons , Filter, Front Band, Pump Bushing, & extension housing bushing