Fuelab 55501-5 555 Series Adjustable Fuel Pressure Regulator 4-12 PSI

The Fuelab 555 Series Adjustable Fuel Pressure Regulator is a precision-engineered instrument designed for reliable fuel pressure control in performance and racing applications. This blocking-style regulator features an advanced poppet design that delivers smooth, consistent fuel pressure regulation across a wide range of operating conditions.

Key Features:

• Adjustable fuel pressure range from 4-12 PSI, ideal for carbureted applications
• Advanced poppet valve design for precise pressure control
• No-creep soft seat construction ensures consistent performance over time
• Methanol and E85 fuel compatible for flexible fuel system options
• CARB-compliant for street legal use
• Blocking style configuration for single-outlet fuel system designs
• Anodized aluminum construction for durability and corrosion resistance

This regulator is engineered to maintain stable fuel pressure under varying engine loads and demands, making it an essential component for carbureted performance engines. The no-creep seat design prevents pressure drift, ensuring your engine receives consistent fuel delivery for optimal performance and reliability.