Power Valve Plug - 1/2-28 in Threaded Plug - Gasket Included - Aluminum - Gold Anodized - Holley Carburetors - Each

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Reference Information

Block-Off Plug, with PTFE Gasket for Holley Power Valves, Each

Racers sometimes prefer to race their cars without using a power valve. In these cases, the only way to properly block off the power valve circuit is with one of these power valve plugs from Mr. Gasket. They'll fit any Holley carburetor with 1/2 in. x 28 threads, and they come with a new gasket.