A single hardened o-ring can bleed off the pressure an entire clutch circuit needs.10R80 L1MZ-7Z490-J 24. This set restores the containment the hydraulic circuits were designed with.Every opened sealing point is a potential leak until it is replaced. Shipping weight is 1 lb.The parts list below is exactly what ships. Compare it against your teardown before ordering.REMCO has supplied automatic transmission parts since 1991, and every order ships with its part listing so the receiving technician can check what arrived against what was ordered. Transmission Gasket for 10R80 - replacement component designed for proper fit and function Designed to support proper case sealing, port isolation and fluid retention during a reseal Package Includes: one transmission gasket as described, supplied loose for a reseal Gasket material cut to the original bolt pattern and port layout - designed for dependable service in the intended application. Ships at 1.00 lb, 18x16x5 in Intended for shops resealing the unit. Clean both surfaces to bare metal and torque in sequence to the service manual figure