4-9 psi Adjustable Universal Deadhead Fuel Pressure Regulator Polished If using a metal line

If using a metal line

which is much stronger than stock steel and mates better with an aluminum case

Available for small and large housing ends commonly found in all of the popular Ford 9"âÃú rear ends

Leaks can lead to the death of your rear end

at a better price than purchasing the parts separately

4-9 psi Adjustable Universal Deadhead Fuel Pressure Regulator Polished If using a metal lineThe needle and seat assemblies that are installed in Speedmaster carburetors can sufficiently control fuel pressure up to about 8 psi. If the fuel pump is putting out more than 8 psi, a regulator should be used to keep the fuel pressure within safe limits and avoid the possibility of flooding. Speedmaster manufactures a number of regulators for most any need.