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Adjustable Billet By-pass Return Style 6an Fuel Pressure Regulator

Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061-T6 billet aluminum for strength and durability. These regulators are adjustable from 4-65 psi and will handle both carbureted and EFI applications. They are offered with two port sizes, 3/8” NPT or 6AN to adapt to your new or existing fuel lines. So, if you are currently running a carbureted system but plan to upgrade to EFI in the future, these regulators will have you covered either way.

Features -
- Adjustable from 4-65 psi for precise fuel pressure adjustments.
- Constructed of billet aluminum with a black anodized base and a clear anodized top for good looks.
- Used in systems with a return line back to the tank.
- (1) 6AN O-ring Inlet; (1) 6AN O-ring Outlet; and (1) 6AN O-ring.
- Includes fitting for manifold reference.
- Includes an 1/8 NPT gauge port.
- Boost Reference - 1:1.
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