1955-95 Chevy Small Block 283-305-327-350-400 Steel Timing Chain Cover w/Timing Tab - Black 1955-95 Chevy small block painted black timing chain cover comes with the timing tab attached at a lower position (4-1/4" from top). Designed for use with large diameter harmonic balancers. Fits Chevy 283-305-327-350-400 small block engines.