Meets or exceeds all original equipment specifications Unsurpassed quality for you can trust Validated for fit, form and function Designed for repair and everyday environment 1966-90 CHEVY BIG BLOCK 396-402-427-454 STEEL TIMING CHAIN COVER SET W/ TIMING TAB - CHROME 1966-90 Chevy big block chrome timing chain cover set includes chrome steel timing chain cover, chrome steel timing tab, bolts, seal, and gaskets. Fits Chevy 396-402-427-454 big block engines. NOTE: May require extra gasket thickness or shim under short pump to clear cover.