Edelbrock power valve block-off plug with gasket is designed for Vintage Series 94 carburetors and fits original Holley 94 variations as well as Demon, Holley and Quick Fuel carburetors that use a 1/2"-28 power valve thread. The kit includes the plug and a gasket to block off a power valve port for tuning or troubleshooting vintage-style carburetors.
Edelbrock Power Valve Plug and Gasket for Any Demon Holley And Quick Fuel Carburetor