MRG6858G Mr. Gasket Cast Aluminum Chevrolet 396-454 Big Block

These valve covers are constructed of high quality die-cast aluminum for an excellent fit. They are available in polished, finned, and ball-milled versions to fit a variety of engines. Features: Top quality cast aluminum construction Choice of smooth top polished, finned, or ball-milled designs Some available in tall versions for additional rocker arm clearance Thick gasket rail area for excellent sealing Pre-punched breather openings with baffles Includes mounting hardware Sold as a pair