AEM Adjustable Fuel Pressure Regulator FDDP 25-303BK `

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Part # 25-303BK

• CNC-machined from 6061-T6 billet aluminum
• Mounts directly to O.E. fuel rail or AEM High Volume Fuel Rail
• Patented interchangeable discharge orifices match output of virtually any fuel pump (single large port included)
• Accept a -6 AN or 9/16x18 fittings
• Adjustable from 20 psi to maximum fuel pump capacity
• Boost dependent rising fuel pressure rate (1:1)
• No additional parts required for installation
• Patent # 6,298,828

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.A single large discharge orifice is included.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 9/16x18 fittings.

Vehicle information below is not a guaranty of fitment. If you have fitment concerns, please call prior to ordering.

1990-1993 Acura Integra GS; 1992-1993 Acura Integra GS-R; 1986-1993 Acura Integra LS; 1986-1993 Acura Integra RS; 1991-1995 Acura Legend L; 1991-1995 Acura Legend LS; 1989-1991 Honda Civic Si; 1988-1991 Honda CRX HF; 1988-1991 Honda CRX Si

We are an authorized retailer for all AEM products. The standard manufacturer warranty applies. If you ever have manufacturer warranty concerns or questions on products you purchased from us, we can help! We are a family owned and operated company that values all of our customers. We are here to assist with all future warranty concerns!