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The Cometic AFM valley gasket set for GM SB2.2 Small Block V8 is a .039in Aluminum Foamet Material seal kit that fits engines with .750in and .625in water holes. It seals the valley area between heads and block to control coolant passages and prevent leaks. AFM combines nitrile foam bonded to an aluminum core, delivering about 85% recovery, strong torque retention, temperature resistance above 205°F and no requirement for sealants or re-torquing; Cometic kits typically include related seals and hardware when applicable.
Cometic GM SB2.2 Small Block V8 .039in AFM Valley Gasket Set - .750in & .625in Water Holes
