Holley Fuel Pressure Regulator Bypass Billet Aluminum 4.5-9 PSI for Carbureted Applications

Enjoy an adjustable range from 4.5 to 9 PSI within your Dominator in-line fuel pump with this Holley fuel pressure regulator (12-847). Though ideal with Dominator pumps, this bypass regulator is perfect for use on carbureted systems with a return line back to the tank. Its base and top use an anodized coating for corrosion resistance, with the base’s black color sleekly contrasting the clear top. With the rest of the billet aluminum construction, it makes for a sturdy design. The assembly is complete with a -10AN O-ring inlet, -10AN O-ring outlet, -8AN O-ring return, and a mounting bracket.

Features and Benefits:
- Designed for Dominator In-Line Fuel Pumps
- Great for Systems with Return Line Back to Tank
- Works with High-Pressure Pumps Needing Return Line
- Adjustable 4.5-9 PSI Range
- 6061-T6 Billet Aluminum Construction
- Black Anodized Base & Clear Anodized Top
- 1/8” NPT Gauge Port
- (1 ea.) -10AN O-Ring Inlet, Outlet, & -8AN Return
- Includes Mounting Bracket

Vehicle Fitment:
- 1965-1985 Ford Mustang
- 1966-1977 Ford Bronco
- 1948-1979 Ford F-100
- 1960-1987 Chevy C10

Additional Notes: 
- For use with electric pumps ONLY.
- This regulator is compatible with Diesel #1 and Diesel #2.
- This regulator is for racing-use vehicles ONLY. This includes vehicles that are used exclusively for competition, are not registered, and may never be used on the street.