BARTOO Fuel Pressure Regulator Carburetor with Gauge Kit, 4 1/2 to 9 PSI, 3/8in NPT, 12-803 Zinc Alloy

Installation Tips: During installation, please unscrew the hexagon socket nut. After confirming that the pressure can be adjusted, screw the nut back to an appropriate position. PLEASE NOTE!!! If the hexagon socket nut is screwed too far in, it may make pressure adjustment impossible or cause oil leakage.

• Application: Fit for Holley and Edelbrock carburetors. Reference part number is 12-803. Check your OE number matches before ordering.
• Durable: Regulator is made of anti-rust, wear-resistant zinc alloy, colorfast, and durable. Using liquid-filled gauge for engine fuel pressure monitoring.
• Adjustment Ranges: Easily adjust fuel pressure from 4 1/2 to 9 PSI. 0.220in (7/32in) restriction.
• Features: The fuel regulator has a 3/8in NPT gauge port for easy fuel pressure monitoring and adjustment, for your carburetor and vehicle needs.
• Instructions for Pressure Regulation: During installation, please unscrew the hexagon socket nut. After confirming that the pressure can be adjusted, screw the nut back to an appropriate position. PLEASE NOTE!!! If the hexagon socket nut is screwed too far in, it may make pressure adjustment impossible or cause oil leakage.