AEM FUEL PRESSURE REGULATOR FPR 25-303BK – H22 H23 92-01 Prelude 88-91 Civic. We want to help make sure you get that project up and going ASAP. We have been taking care of automotive enthusiasts online since 1996, if you need a reputable business to deal with, we are your only choice. Over 123,785 customers and counting, We know performance! The Kit comes with The adjustable regulator, (2) mounting screws and washers, (2)crush washers, (1) o-ring, (1)discharge fitting and instruction sheet. AEM’s Universal Adjustable Fuel Pressure Regulator is capable of supporting enough fuel flow for engines up to 1000 horsepower. The pressure regulator is made to be a direct bolt-on to the factory or aftermarket fuel rail for the vehicles listed below. This product fits the following vehicles. 1990 to 1993 Acura Integra GSR 1.7L. 1986 to 1989 Acura Integra RS, LS, GS 1.6L. 1990 to 1993 Acura Integra RS, LS, GS 1.8L. 1997 to 2005 Acura NSX 3.2L VTEC. 1991 to 1996 Acura NSX 3.0L VTEC. 1996 to 1998 Acura TL 3.2L. 1995 to 1998 Acura TL 2.5L. 1992 to 1994 Acura Vigor 2.5L. 1988 to 1991 Honda Civic EX 1.5L. 1988 to 1991 Honda Civic Si 1.6L. 1988 to 1991 Honda CRX Si 1.6L. 1988 to 1991 Honda CRX 1.5L. 1997 to 2001 Honda Prelude H22 – NOTE: MUST use with AEM 25-104BK. Fuel rail, will NOT work with stock rail. 1992 to 1996 Honda Prelude H23 – NOTE: MUST use with AEM 25-104BK. 1992 to 1996 Honda Prelude H22 – NOTE: MUST use with AEM 25-104BK.