Holley 12-880 Adjustable Billet By-Pass Regulator, -6 AN

Holley Billet Fuel Pressure Regulators are just part of the complete line of fuel system products that Holley offers. This regulator is constructed from 6061-T6 billet aluminum for strength and durability. Adjustable from 4-65 psi and will handle both carbureted and EFI applications. So, if you are currently running a carbureted system but plan to upgrade to EFI in the future, this regulator 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

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
• The 4-15 psi carbureted spring comes installed in the regulator

Installation Instructions (PDF)