1994 to 2001 Acura Integra GSR 1.8L. ALLOYWORKS Adjustable Fuel Pressure Regulators for the Honda & Acura are capable of supporting enough fuel flow for engines up to 1000 horsepower. OSIAS 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”x18 fittings.