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Product Summary

Universal Fit, 20-60 Fuel Pressure Rating (psi)

    Key Specs

    MFG. Part #25-300BK
    BrandAEM Electronics

    Need To Know

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    AEM Electronics 25-300BK Details

    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, additional ports are sold separately). 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"x18 fittings.

    Features

    • 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 9/16”x18 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

    Application

    PART # MAKE YEAR MODEL ENGINE NOTES
    25-300BK Acura 1997-2001 Integra GS 1.8L/1834ccL4 [B18B1]  
    25-300BK Acura 1994-2001 Integra GS-R 1.8L/1797ccL4 [B18C1]  
    25-300BK Acura 1994-2001 Integra LS 1.8L/1834ccL4 [B18B1]  
    25-300BK Acura 1994-1998 Integra RS 1.8L/1834ccL4 [B18B1]  
    25-300BK Acura 1995-1996 Integra Special Edition 1.8L/1834ccL4 [B18B1]  
    25-300BK Acura 1997-1998 Integra Type R 1.8L/1797ccL4 [B18C5]  
    25-300BK Acura 2000-2001 Integra Type R 1.8L/1797ccL4 [B18C5]  
    25-300BK Honda 1993 Accord 10th Anniversary 2.2L/2156ccL4 [F22A1] Must use AEM Fuel Rail
    25-300BK Honda 1990-1993 Accord DX 2.2L/2156ccL4 [F22A1] Must use AEM Fuel Rail
    25-300BK Honda 1990-1991 Accord EX 2.2L/2156ccL4 [F22A1] Must use AEM Fuel Rail
    25-300BK Honda 1990-1991 Accord EX 2.2L/2156ccL4 [F22A4] Must use AEM Fuel Rail
    25-300BK Honda 1991-1993 Accord EX 2.2L/2156ccL4 [F22A6] Must use AEM Fuel Rail
    25-300BK Honda 1990-1993 Accord LX 2.2L/2156ccL4 [F22A1] Must use AEM Fuel Rail
    25-300BK Honda 1986 Accord LXi 2.0L/1955ccL4 [BT]  
    25-300BK Honda 1987-1989 Accord LXi 2.0L/1955ccL4 [A20A3]  
    25-300BK Honda 1991 Accord SE 2.2L/2156ccL4 [F22A6] Must use AEM Fuel Rail
    25-300BK Honda 1993 Accord SE 2.2L/2156ccL4 [F22A6] Must use AEM Fuel Rail
    25-300BK Honda 1989 Accord SEi 2.0L/1955ccL4 [A20A3]  
    25-300BK Honda 1992-1995 Civic CX 1.5L/1493ccL4 [D15B8]  
    25-300BK Honda 1993-1995 Civic del Sol S 1.5L/1493ccL4 [D15B7]  
    25-300BK Honda 1993-1995 Civic del Sol Si 1.6L/1590ccL4 [D16Z6]  
    25-300BK Honda 1994-1995 Civic del Sol VTEC 1.6L/1590ccL4 [B16A3]  
    25-300BK Honda 1996-1997 Civic del Sol VTEC 1.6L/1590ccL4 [B16A2]  
    25-300BK Honda 1992-1995 Civic DX 1.5L/1493ccL4 [D15B7]  
    25-300BK Honda 1992-1995 Civic EX 1.6L/1590ccL4 [D16Z6]  
    25-300BK Honda 1992-1995 Civic LX 1.5L/1493ccL4 [D15B7]  
    25-300BK Honda 1992-1995 Civic Si 1.6L/1590ccL4 [D16Z6]  
    25-300BK Honda 1999-2000 Civic Si 1.6L/1595ccL4 [B16A2]  
    25-300BK Honda 1992-1995 Civic VX 1.5L/1493ccL4 [D15Z1]  
    25-300BK Honda 1988-1991 Prelude 2.0 Si 2.0L/1958ccL4 [B20A5]  
    25-300BK Honda 1988-1989 Prelude 2.0 Si 4WS 2.0L/1958ccL4 [B20A5]  
    25-300BK Honda 1992-1996 Prelude S 2.2L/2156ccL4 [F22A1] Must use AEM Fuel Rail
    25-300BK Honda 1990 Prelude Si 2.1L/2056ccL4 [B21A1]  
    25-300BK Honda 1991 Prelude Si 2.1L/2056ccL4 [B21A1]  
    25-300BK Honda 1990 Prelude Si 4WS 2.1L/2056ccL4 [B21A1]  
    25-300BK Honda 1991 Prelude Si 4WS 2.1L/2056ccL4 [B21A1]  
    25-300BK Honda 1990 Prelude Si ALB 2.1L/2056ccL4 [B21A1]  
    25-300BK Honda 1991 Prelude Si ALB 2.1L/2056ccL4 [B21A1]  

    CARB Warning

    For race/ off road use only

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

    AEM Electronics 25-300BK Specifications

    KEY SPECS
    MFG. Part #25-300BK
    BrandAEM Electronics
    GENERAL
    Fuel Pressure Rating (psi)20-60
    Regulator StyleReturn
    Inlet Fitting-6 AN Female
    Outlet FittingStock
    Sold in QuantityEach
    Boost/Vacuum Reference PortYes
    Gauge PortNo
    Fittings IncludedNo
    RebuildableYes
    Inlet QuantityOne
    Outlet QuantityOne
    Boost/Vacuum Rise Ratio1:01
    Regulator LocationFuel rail mount
    GTIN Code840879019860
    Regulator MaterialAluminum
    Regulator FinishBlack anodized
    Mounting Bracket IncludedYes