Racer Performance 1965-95 Chevy Big Block 396-427-454-502 Tall Steel Valve Covers w/ 454 Logo - Chrome Chevy big block tall chrome steel valve covers with stamped 454 logo fit 1965-95 Chevy 396-427-454-502 big block engines. They are baffled and tall style to clear high performance roller rockers. There is one hole in each cover. Height: 3-5/8".