The Edelbrock Fuel Regulator Kit is designed for use with standard flange and dominator series dual-feed carburetors on alcohol, turbo and supercharged gasoline engines. It allows you to adjust the fuel pressure from 4-1/2 to 9 PSI and is recommended for use with either racing fuel pumps or any high-output fuel pumps. This standard-flange, dual-feed carburetor with throttle cable bracket has a single 3/8 NPT inlet and a dual 3/8 NPT outlet with female threads. The kit includes fittings, a mounting plate, fuel line, and single or dual regulators.