Holley; EFI; -6AN; Billet Aluminum Bypass Fuel Pressure Regulator; 4-65 PSI

Holley 4-65 psi EFI bypass fuel pressure regulator. Each one is precision machined from 6061-T6 billet aluminum with a black anodized base and a clear anodized top. They can be configured for either carbureted or fuel injected engines making it ideal for someone considering a swap.

The EFI return port is perfect for fuel injection conversions and the 1:1 boost reference port aids with power adder installations. Includes 1/8? hose barb fitting for boost reference and 16-65 psi spring for high pressure applications.

• 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
• 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

Made in USA

• Color: Black
• Fuel System: EFI/Carb
• Fuel Type: Gasoline / Diesel / E85
• Material: Aluminum
• Style: Bypass

• Inlet port: -6AN O-ring
• Outlet port: -6AN O-ring
• Return port: -6AN O-ring
• Gauge port: 1/8? NPT
• Boost reference port: 1/8? NPT

Important: Not for use on pollution controlled vehicles. See Emission Notes below.

For (PPCV) Pre-Pollution Controlled Vehicles Only: Legal for use on all vehicles that were manufactured before emissions control regulations were imposed. Check your state law before ordering.

For Racing Use Only: This product is intended for vehicles that are exclusively designated as a racing or off-road vehicle only. This product is not legal for use on vehicles that are operated on public highways. Not for use on a street-driven vehicle.

• 1965 and Older, USA Manufactured, California Certified Vehicles
• 1967 and Older, USA Manufactured, Federally Certified Vehicles