1959-79 Pontiac 301-326-350-389-400-421-428-455 V8 Tall Steel Valve Covers - Chrome Pontiac tall chrome steel valve covers fit 1959-1981 Pontiac 301-326-350-389-400-421-428-455 V8 engines. They are baffled and tall style to clear high performance roller rockers. There is one breather hole in each cover. Height: 3-1/2".