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! CAUTION: If your engine has non-standard valve train components, such as a high-lift camshaft, roller-tip rocker arm, higher lift ratio rocker arms, stud girdles, etc. There may be insufficient clearance when using the Holley-M/T aluminum valve cover. You must check all internal clearances according to the instructions in the kit. Precision manufactured with knock-out plugs for stock PCV (smog Control) and oil fill installations.Top cover surface may be used for engraving your name horizontally. Cast aluminum construction for even gasket sealing. So we have a chance to make it right - we want your repeat business! Check out the official Holley Performance.