UNIVERSAL FI REGULATOR
HOLLEY 512-504-5

• Allows Adjustment from 15-65 PSI + Boost Reference
• Bolts In Stock Location
• Easy Installation
• Designed to regulate high fuel demands for naturally aspirated EFI, turbo, supercharged and NOS race applications
• Engineered to regulate extreme flow volumes generated by racing fuel systems
• -8AN & -6AN O-Ring style fittings included to adapt to steel braided fuel lines
• CNC Machined Billet Aluminum