Add to Favorite Sellers. 241-83 Holley M/T Valve Covers – Vintage Style – Finned – SBC – Satin Black. Chevrolet Small Block – Perimeter Bolt – Cast Aluminum; Flashback – 1972: Nothing was cooler than sporting around town in a hot rod with a Holley Double Pumper® and M/T® finned aluminum valve covers! Show everyone how cool you are and show up sporting those same parts today! For the custom engine, M/T offers a superior valve cover of polished aluminum for added cooling. 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! Holley Factory Refurbished Items are warranted for a period of 90 days from date of sale for defects in material and workmanship. Any defective items will be repaired or replaced at Holley’s discretion. Customer Service & Feedback. So we have a chance to make it right – we want your repeat business! Check out the official Holley Performance. For more great deals!!