1955-95 Chevy small block timing chain cover set includes chrome steel timing chain cover, chrome steel timing tab, bolts, seal, and gaskets. Fits Chevy 283-305-327-350-400 small block engines. For use with nylon cam button running a roller cam. NOTE: Will not work if you are using gear drive timing chain.NOTE: May require extra gasket thickness or shim under short pump to clear cover.