AEM’s Honda/Acura Adjustable Fuel Pressure Regulators are capable of supporting enough fuel flow for engines up to 1000 horsepower. Our patented interchangeable discharge ports enable the regulator’s output to match the output of any fuel pump. AEM includes a custom barb fitting to accommodate the factory fuel hose and the base of each regulator is tapped to accept a -6 AN or 9/16×18 fittings. For Universal Applications: Our patented interchangeable discharge ports enable the regulator’s output to match the output of any fuel pump. Adjustable from 20 psi to maximum fuel pump capacity Interchangeable discharge ports match regulator output to output of any fuel pump Patent # 6,298,828 CNC-machined from 6061-T6 billet aluminum No additional parts required for installation Mounts directly to O. Fuel rail or AEM High Volume Fuel Rail Manufactured and assembled in the USA.