Holley Adjustable Billet By-Pass Regulator -6AN - Black 3552024-156- S GM X-Body 1968-79

GM X-Body 1968-79

DeatschWerksuses a dual zone approach which increases flow where specifically engineered for high pressure

Triple Dog 50 State GT Gas

Made from Five Star's proprietary composite blend

Holley Adjustable Billet By-Pass Regulator -6AN - Black 3552024-156- S GM X-Body 1968-79Holley 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