Holley Adjustable Billet By-Pass Regulator-3/8" NPT - Black Steering Coupler Bushing 1987-1989 GMC R2500

1987-1989 GMC R2500

The filter regulator comes in 3/8"

Mini spool assemblies replace the OE side and spider gears in open style carriers to provide equal traction to both axles

Safety Systems produces the Fire Bottle brand of fire suppression systems

125 in Bolt Circle

Holley Adjustable Billet By-Pass Regulator-3/8" NPT - Black Steering Coupler Bushing 1987-1989 GMC R2500Holley 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