The Cometic AFM differential cover gasket for GM 8.875in, 12-bolt applications is a molded nitrile rubber bonded to an aluminum core built for reliable sealing. AFM material offers strong torque retention and about 85% recovery while resisting temperatures above 205°F. This gasket is asbestos-free, does not require additional sealants, and maintains a stable seal without re-torquing.
Cometic GM 8.875in .032in AFM Differential Cover Gasket - 12 Bolt