Holley 512-501 Fuel Pressure Regulator

• Features built in gauge port and mounting bracket
• Engineered to regulate extreme flow volumes generated by racing fuel systems
• Allows adjustment from 15-65 PSI
• Black anodized body
• Works on naturally aspirated EFI, turbo, and supercharged applications

This fuel pressure regulator is the ultimate fuel pressure control unit designed to work on all naturally aspirated EFI, turbo, and supercharged applications. It provides the correct fuel pressure for high performance fuel injected systems. It features a range of adjustability from 35 to 65 PSI and features a built-in gauge port, mounting bracket, 2 AN -8 O-ring fittings, and a AN -6 O-ring return fitting.