4 Port Fuel Pressure Regulator 12-864
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Features:
- 4 port design
- Billet material
- Adjustable
- Return style
- 40-100 PSI pressure range
- (1) 10 AN and (4) 8 AN O-ring inlet/outlet size
- 10 AN O-ring return size
- 1/8" NPT gauge port with 1/8" NPT vaccum/boost reference port
- Designed for use with the Holley VR1 and VR2 Series Brushless in-line fuel pumps
- Compatible with gasoline, methanol, and E85
- Includes a -4 AN fitting if being used in a boosted application
About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!
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