Ensure precise fuel pressure control with the Holley Carburettor By-Pass Style Fuel Pressure Regulator, designed to maintain optimal engine performance. Compact at 8.9 cm in length and width, it fits efficiently within your fuel system setup. Discover how this 0.41 kg regulator enhances fuel delivery stability for superior engine response.

Maintain precise fuel pressure between 4.5 and 9 PSI to optimize engine performance and fuel efficiency. This Holley regulator features dual 3/8 NPT outlets for versatile fuel system integration, all within a compact 9.1 cm x 9.1 cm profile. Discover how this regulator ensures stable fuel delivery under varying conditions.

Ensure precise fuel pressure control between 4.5 and 9 PSI to optimize carburetor performance and engine efficiency. This Holley billet fuel regulator measures a compact 9.7 cm square footprint, fitting easily into tight engine compartments. Discover how exact pressure regulation can enhance your fuel system reliability.

Ensure precise fuel delivery for engines producing over 750 horsepower with this Aeroflow 2 port fuel pressure regulator. Designed to maintain stable pressure between 4-12 PSI, it optimizes carburettor performance and protects your fuel system. Compact dimensions of 11 cm by 8 cm by 13 cm fit easily into tight engine bays.

Restore precise fuel regulation with this replacement diaphragm and spring, designed to maintain consistent pressure for optimal engine performance. Measuring 16 cm by 9 cm, its exact dimensions ensure a perfect fit for your fuel system repairs. Explore the full description for detailed compatibility and installation benefits.