Each die-cast cover is precision manufactured with knock-out plugs for stock PCV (smog Control) and oil fill installations. The M/T polished top cover surface may be used for engraving your name horizontally, next to the deep heat dissipating fins. Text from 1972 Holley - M/T Performance Parts Catalog.
Other historic literature stated that you could expect reduced valve train noise from these cast M/T covers. We've also brought them back in the Satin Black finish that Holley & M/T helped make popular! Get a set today and get back your hot rodding groove! So we have a chance to make it right - we want your repeat business! Check out the official Holley Performance.