Description
Application:For Holley Carburetor./For Edelbrock carburetors.Reference part number is 12-804,Please carefully check your OE number before ordering..High Quality: Made of zinc alloy material, anti-rust, wearproof, colorfast, and durable..Size:12-804 Adjustable Fuel Adjustment Ranges: 1-4 psi, 0.220in (7/32in) restriction.Regulate your fuel pressure based on your carburetor and vehicle application needs..Adjust the fuel pressure to avoid overflow or driving performance issues caused by valve needle and pressure overload.