Holley Adjustable Billet By-Pass Regulator-3/8" NPT - Black GBDXS1 Cummins Diesel

Cummins Diesel

750" to fit under most stock or larger diameter valve springs and a

Replacement Shaft For 7540-2

Holley Kickdown Cable Bracket 20-100 For Use Only On Model 4011

Holley Adjustable Billet By-Pass Regulator-3/8" NPT - Black GBDXS1 Cummins DieselHolley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061 T6 billet aluminum for strength and durability. These regulators are adjustable from 4 65 psi and will handle both carbureted and EFI applications. They are offered with two port sizes, 3 8"? NPT or 6AN to adapt to your new or existing fuel lines. So, if you are currently running a carbureted system but plan to