Holley HP Billet 4.5 to 9 psi In-Line Fuel Pressure Regulator - 3/8 in NPT Inlet - 3/8 in NPT Outlet - 1/8 in NPT Port - Bypass / Black Anodized - Diesel / E85 / Gas 12-841 AN Fitting Wrench Accommodates Popular NAG1 or 8HP70

Accommodates Popular NAG1 or 8HP70 Transmission (Requires Transmission Specific Adaptor plate)

Improved copper corrosion protection to prolong synchro life

Royal Purple's performance advantages come from a blend of synthetic oils plus Royal Purple's proprietary Synerlec technology

Excellent high RPM power

Holley HP Billet 4.5 to 9 psi In-Line Fuel Pressure Regulator - 3/8 in NPT Inlet - 3/8 in NPT Outlet - 1/8 in NPT Port - Bypass / Black Anodized - Diesel / E85 / Gas 12-841 AN Fitting Wrench Accommodates Popular NAG1 or 8HP70Holley HP Billet Fuel Pressure Regulator 12 841 4. 5 9 PSI 3 8" NPT Ports Carbureted Bypass Style 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