Holley Street / Strip 4.5 to 9 psi In-Line Fuel Pressure Regulator - 3/8 in NPT Inlet - 3/8 in NPT Outlet / Black Anodized - Diesel / E85 / Gas Seat Insert GM/Mercury Marine Gen IV Big

GM/Mercury Marine Gen IV Big Block V8

This direct plug-and-play unit is compatible with all FAST XFI 2

1999-2015 GMC Sierra 1500

They also have mounting kits

and are backed by a lifetime warranty against manufacturing defects

Holley Street / Strip 4.5 to 9 psi In-Line Fuel Pressure Regulator - 3/8 in NPT Inlet - 3/8 in NPT Outlet / Black Anodized - Diesel / E85 / Gas Seat Insert GM/Mercury Marine Gen IV BigHolley HP Billet Fuel Pressure Regulator 12 840 4. 5 9 PSI 3 8" NPT Ports Black Clear Anodized CNC Machined Black Bright Dip Anodized Body Clear Bright Dip Anodized Ends Corrosion Resistance And Good Looks Feature A Gauge Port Include Mounting Plate For Easy Installation 1 8" NPT Gauge Port Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion