M/T Valve Covers Vintage Style Finned SBC Chevrolet Small Block Perimeter Bolt Cast Aluminum HolleyFlashback 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