GM/Isuzu 4L30E Transmission Less Steel Rebuild Kit 1989-1997 Part# 24004EF This rebuild kit includes all the High Energy Friction Clutches made by ALTO, 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 4L30E 1989-1997 All these Kits have High Energy (Green) Friction Clutches Manufactured by Alto and Gasket Sets made by the Co. TRANSTEC