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