This regulator is used to adjust to fuel pressure requirements of various carburetors and supplies the proper pressure to the needle and seat valve to prevent flooding or drivability problems. This satin finish regulator feature 3/8 pipe thread outlet ports with 7/32" restriction. It regulates press...

This regulator is used to adjust to fuel pressure requirements of various carburetors and supplies the proper pressure to the needle and seat valve to prevent flooding or drivability problems. This satin finish regulator feature 3/8 pipe thread outlet ports with 7/32" restriction. It regulates press...

This stud is a mounting point for transmission kickdown. The diameter measures 5/16" and it comes with an outer clip and washers and nuts.

The Spectre Dual Feed Fuel Line with chrome fittings is fully adjustable from 8 inches to 10 inches and was designed to fit Holley 3310/4150 style carburetors. Featuring machine flared ends on a 3/8 inch diameter fuel line with magna-clamps; this dual feed fuel line includes a 0-15 PSI fuel pressure...

Speed By Spectre, The 400mph company. Rooted in racing, we design and build every product with the same goal in mind; the best performance in the market... proven on the racetrack! All Speed By Spectre products are designed to perform as good as they look using high quality materials and engineered...

This carburetor renew kit brings marine carburetors back to original specs and like-new condition. It includes all of the necessary gaskets, O-rings, pump diaphragms, needles and seats, power valves, detailed instructions, and hardware for a complete rebuild.

This safety switch reads fuel and oil pressure and will shut off when the pressure reads below 5 PSI. It fits electric pumps.

This power valve kit is an inexpensive blowout protection kit that has check-ball assemblies for both ends of the carburetors and includes a stop drill for installation. Consisting of a spring, brass seat, and check ball, the check ball system protects the power valve diaphragm from damage due to en...

For the complete story on Holley fuel systems, pick up Holley Carburetors & Manifolds. It includes the entire line of Holley products: carburetors, manifolds, fuel pumps, and filters.  In the Holley Carburetor Handbook, concise text explains the basics of the fuel-inlet, idle, main-metering, seconda...