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. 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. 1994 to 2001 Acura Integra LS, RS, GS, GSR 1.8L. 1990 to 1993 Honda Accord DX, LX, SE, EX 2.2L 4 Cyl (Must use AEM Rail). 1992 to 1995 Honda Civic DX, LX 1.5L. 1992 to 1995 Honda Civic EX, Si 1.6L VTEC. 1999 to 2000 Honda Civic Si 1.6L VTEC. 1992 to 1995 Honda del Sol S 1.5L. 1992 to 1995 Honda del Sol Si 1.6L SOHC VTEC. 1994 to 1997 Honda del Sol VTEC 1.6L DOHC VTEC. 1992 to 1996 Honda Prelude S F22 (Must use AEM Rail). 1988 to 1991 Honda Prelude Si 2.1L. Pictures of Actual Item. Most emails are answered within 24 hours, including weekends and holidays.