Mr. Gasket Valve Cover Gaskets 182

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These gaskets are .312 inch thick. That's substantially thicker than stock which can allow for additional valve train clearance.Fits Chevrolet 396,402,427,454,502 Gen IV, Gen V and Gen VI Big Block. Features: This Gasket Has A Cork Rubber Blend Provides Excellent Sealing And Durability Extra Thick For The Hard To Seal Applications Show more