Holley 12-848 Dominator Billet EFI By-Pass Fuel Pressure Regulator, EFI 15-65 psi

The Holley 12-848 Dominator Billet EFI By-Pass Fuel Pressure Regulator, EFI 15-65 psi is a precision-machined billet aluminum fuel pressure regulator designed for EFI systems requiring a return line. It fits high-pressure applications using Holley Dominator in-line fuel pumps or similar setups, providing adjustable fuel pressure from 15 to 65 psi for optimal tuning and performance.

Key Features

Adjustable fuel pressure range from 15-65 psi
Billet 6061-T6 aluminum construction with black anodized base and clear anodized top for corrosion resistance and aesthetics
Designed for systems with a return line back to the tank
Includes (1) -10 AN O-ring inlet, (1) -10 AN O-ring outlet, and (1) -8 AN O-ring return
1/8" NPT gauge port for easy pressure monitoring
Mounting bracket included for secure installation
Recommended for use with electric fuel pumps only

Fitment

Compatible with Holley Dominator in-line fuel pumps
Suitable for EFI systems requiring a return-style fuel pressure regulator

Note: Verify compatibility with your fuel system and pump type before ordering. Use with electric pumps only, and ensure proper installation of return lines for optimal performance.