The AEM 25-300BK adjustable fuel pressure regulator is designed to support engines up to 1000 horsepower, providing precise fuel system management for high-performance Honda and Acura vehicles. Crafted from CNC-machined 6061-T6 billet aluminum, this regulator ensures durability and reliable performance under demanding conditions. Its patented interchangeable discharge orifices allow the output to match virtually any fuel pump, with a large discharge port included for maximum flow. The regulator mounts directly to factory or AEM high volume fuel rails, making installation straightforward and versatile. With an adjustable pressure range from 20 psi to the maximum capacity of your fuel pump, it offers fine-tuned control over fuel delivery, crucial for optimal engine performance and tuning. The boost-dependent rising fuel pressure rate (1:1) enhances responsiveness during boost conditions, ensuring consistent fuel pressure across varying engine loads. The regulator accepts -6 AN or 9/16"x18 fittings, accommodating a wide range of fuel line configurations. Its compact design and robust construction make it suitable for a variety of Honda and Acura models, including Prelude, Accord, and Civic from the late 1980s through the early 2000s.
This regulator is a vital upgrade for enthusiasts seeking to maximize their vehicle's fuel system capabilities and achieve more aggressive tuning. The included custom barb fitting allows compatibility with factory fuel hoses, simplifying installation. Its durable construction, combined with precise pressure control and interchangeable discharge ports, makes the AEM 25-300BK an excellent choice for high-performance applications. Please note this product is not CARB approved and requires acknowledgment of CARB regulations for specific uses. Proper installation and tuning are essential for optimal performance and safety. Whether building a turbocharged street car or a dedicated race vehicle, this regulator provides the reliability and flexibility needed for demanding fuel system setups.
Features:
- Patented interchangeable discharge orifices match output of virtually any fuel pump
- Mounts directly to OEM or AEM high volume fuel rails
- Adjustable from 20 psi to maximum fuel pump capacity
- Boost dependent rising fuel pressure rate (1:1)
- CNC-machined from durable 6061-T6 billet aluminum
- Accepts -6 AN or 9/16"x18 fittings
Fitment:
1986 Acura Integra LS
1986 Acura Integra RS
1986 Honda Accord DX
1986 Honda Accord LX
1986 Honda Accord LXi
1986 Honda Civic Base
1986 Honda Civic CRX
1986 Honda Civic CRX HF
1986 Honda Civic CRX Si
1986 Honda Civic DX
1986 Honda Civic Si
1986 Honda Prelude 2.0 Si
1986 Honda Wagovan DX
1987 Acura Integra LS
1987 Acura Integra LS Special Edition
1987 Acura Integra RS
1987 Honda Accord DX
1987 Honda Accord LX
1987 Honda Accord LXi
1987 Honda Civic Base
1987 Honda Civic CRX
1987 Honda Civic CRX HF
1987 Honda Civic CRX Si
1987 Honda Civic DX
1987 Honda Civic Si
1987 Honda Prelude 2.0 Si
1987 Honda Wagovan DX
1988 Acura Integra LS
1988 Acura Integra LS Special Edition
1988 Acura Integra RS
1988 Honda Accord DX
1988 Honda Accord LX
1988 Honda Accord LXi
1988 Honda Civic Base
1988 Honda Civic DX
1988 Honda Civic LX
1988 Honda Civic Wagovan
1988 Honda CRX DX
1988 Honda CRX HF
1988 Honda Prelude 2.0 S
1988 Honda Prelude 2.0 Si
1988 Honda Prelude 2.0 Si 4WS
1989 Acura Integra LS
1989 Acura Integra RS
1989 Honda Accord DX
1989 Honda Accord LX
1989 Honda Accord LXi
1989 Honda Accord SEi
1989 Honda Civic Base
1989 Honda Civic DX
1989 Honda Civic LX
1989 Honda Civic Wagovan
1989 Honda CRX Base
1989 Honda CRX HF
1989 Honda Prelude 2.0 S
1989 Honda Prelude 2.0 Si
1989 Honda Prelude 2.0 Si 4WS
1990 Acura Integra GS
1990 Acura Integra LS
1990 Acura Integra RS
1990 Honda Accord DX
1990 Honda Accord EX
1990 Honda Accord LX
1990 Honda Civic Base
1990 Honda Civic DX
1990 Honda Civic LX
1990 Honda CRX Base
1990 Honda CRX HF
1990 Honda Prelude 2.0 S
1990 Honda Prelude 2.0 Si
1990 Honda Prelude Si
1990 Honda Prelude Si 4WS
1990 Honda Prelude Si ALB
1991 Acura Integra GS
1991 Acura Integra LS
1991 Acura Integra RS
1991 Acura Legend Base
1991 Acura Legend L
1991 Acura Legend LS
1991 Acura NSX Base
1991 Honda Accord DX
1991 Honda Accord EX
1991 Honda Accord LX
1991 Honda Accord SE
1991 Honda Civic Base
1991 Honda Civic DX
1991 Honda Civic LX
1991 Honda CRX Base
1991 Honda CRX HF
1991 Honda Prelude 2.0 Si
1991 Honda Prelude Si
1991 Honda Prelude Si 4WS
1991 Honda Prelude Si ALB
1992 Acura Integra GS
1992 Acura Integra GS-R
1992 Acura Integra LS
1992 Acura Integra RS
1992 Acura Legend Base
1992 Acura Legend L
1992 Acura Legend LS
1992 Acura NSX Base
1992 Acura Vigor GS
1992 Acura Vigor LS
1992 Honda Accord DX
1992 Honda Accord EX
1992 Honda Accord LX
1992 Honda Civic CX
1992 Honda Civic DX
1992 Honda Civic LX
1992 Honda Civic VX
1992 Honda Prelude S
1992 Honda Prelude Si
1992 Honda Prelude Si 4WS
1993 Acura Integra GS
1993 Acura Integra GS-R
1993 Acura Integra LS
1993 Acura Integra RS
1993 Acura Legend Base
1993 Acura Legend L
1993 Acura Legend LS
1993 Acura NSX Base
1993 Acura Vigor GS
1993 Acura Vigor LS
1993 Honda Accord 10th Anniversary
1993 Honda Accord DX
1993 Honda Accord EX
1993 Honda Accord LX
1993 Honda Accord SE
1993 Honda Civic CX
1993 Honda Civic DX
1993 Honda Civic LX
1993 Honda Civic VX
1993 Honda Civic del Sol S
1993 Honda Prelude S
1993 Honda Prelude Si
1993 Honda Prelude Si 4WS
1993 Honda Prelude VTEC
1994 Acura Integra GS-R
1994 Acura Integra LS
1994 Acura Integra RS
1994 Acura Legend GS
1994 Acura Legend L
1994 Acura Legend LS
1994 Acura NSX Base
1994 Acura Vigor GS
1994 Acura Vigor LS
1994 Honda Accord DX
1994 Honda Accord EX
1994 Honda Accord LX
1994 Honda Civic CX
1994 Honda Civic DX
1994 Honda Civic LX
1994 Honda Civic VX
1994 Honda Civic del Sol S
1994 Honda Prelude S
1994 Honda Prelude Si
1994 Honda Prelude Si 4WS
1994 Honda Prelude VTEC
1995 Acura Integra GS-R
1995 Acura Integra LS
1995 Acura Integra RS
1995 Acura Integra Special Edition
1995 Acura Legend GS
1995 Acura Legend L
1995 Acura Legend LS
1995 Acura Legend SE
1995 Acura NSX Base
1995 Acura NSX T
1995 Acura TL Base
1995 Acura TL Premium
1995 Honda Accord DX
1995 Honda Accord EX
1995 Honda Accord LX
1995 Honda Civic CX
1995 Honda Civic DX
1995 Honda Civic LX
1995 Honda Civic VX
1995 Honda Civic del Sol S
1995 Honda Odyssey EX
1995 Honda Odyssey LX
1995 Honda Prelude S
1995 Honda Prelude SE
1995 Honda Prelude Si
1995 Honda Prelude VTEC
1996 Acura Integra GS-R
1996 Acura Integra LS
1996 Acura Integra RS
1996 Acura Integra Special Edition
1996 Acura NSX Base
1996 Acura NSX T
1996 Acura SLX Base
1996 Acura SLX Premium
1996 Acura TL Base
1996 Acura TL Premium
1996 Honda Accord 25th Anniversary Edition
1996 Honda Accord DX
1996 Honda Accord EX
1996 Honda Accord LX
1996 Honda Accord Value Package
1996 Honda Civic HX
1996 Honda Civic del Sol VTEC
1996 Honda Odyssey EX
1996 Honda Odyssey LX
1996 Honda Prelude S
1996 Honda Prelude Si
1996 Honda Prelude VTEC
1997 Acura CL Base
1997 Acura CL Premium
1997 Acura Integra GS
1997 Acura Integra GS-R
1997 Acura Integra LS
1997 Acura Integra RS
1997 Acura Integra Type R
1997 Acura NSX Base
1997 Acura NSX T
1997 Acura SLX Base
1997 Acura SLX Premium
1997 Acura TL Base
1997 Acura TL Premium
1997 Honda Accord DX
1997 Honda Accord EX
1997 Honda Accord LX
1997 Honda Accord SE
1997 Honda Accord Value Package
1997 Honda Civic HX
1997 Honda Civic del Sol VTEC
1997 Honda CR-V LX
1997 Honda Odyssey EX
1997 Honda Odyssey LX
1997 Honda Prelude Base
1997 Honda Prelude Type SH
1998 Acura CL Base
1998 Acura CL Premium
1998 Acura Integra GS
1998 Acura Integra GS-R
1998 Acura Integra LS
1998 Acura Integra RS
1998 Acura Integra Type R
1998 Acura NSX Base
1998 Acura NSX T
1998 Acura TL Base
1998 Acura TL Premium
1998 Honda Accord DX
1998 Honda Accord EX
1998 Honda Accord LX
1998 Honda Civic HX
1998 Honda CR-V EX
1998 Honda CR-V LX
1998 Honda Odyssey EX
1998 Honda Odyssey LX
1998 Honda Prelude Base
1998 Honda Prelude Type SH
1999 Acura CL Premium
1999 Acura Integra GS
1999 Acura Integra GS-R
1999 Acura Integra LS
1999 Acura NSX Alex Zanardi Edition
1999 Acura NSX Base
1999 Acura NSX T
1999 Acura TL Base
1999 Honda Accord DX
1999 Honda Accord EX
1999 Honda Accord LX
1999 Honda Civic HX
1999 Honda Civic Si
1999 Honda CR-V EX
1999 Honda CR-V LX
1999 Honda Prelude Base
1999 Honda Prelude Type SH
2000 Acura Integra GS
2000 Acura Integra GS-R
2000 Acura Integra LS
2000 Acura Integra Type R
2000 Acura NSX Base
2000 Acura NSX T
2000 Acura TL Base
2000 Honda Accord DX
2000 Honda Accord EX
2000 Honda Accord LX
2000 Honda Accord SE
2000 Honda Civic HX
2000 Honda Civic Si
2000 Honda CR-V EX
2000 Honda CR-V LX
2000 Honda CR-V SE
2000 Honda Prelude Base
2000 Honda Prelude Type SH
2000 Honda S2000 Base
2001 Acura CL Premium
2001 Acura CL Type-S
2001 Acura Integra GS
2001 Acura Integra GS-R
2001 Acura Integra LS
2001 Acura Integra Type R
2001 Acura NSX Base
2001 Acura NSX T
2001 Acura TL Base
2001 Honda Accord DX
2001 Honda Accord EX
2001 Honda Accord LX
2001 Honda Accord Value Package
2001 Honda CR-V EX
2001 Honda CR-V LX
2001 Honda CR-V SE
2001 Honda Prelude Base
2001 Honda Prelude Type SH
2001 Honda S2000 Base
2002 Acura CL Base
2002 Acura CL Type-S
2002 Acura NSX T
2002 Acura RSX Base
2002 Acura RSX Type-S
2002 Acura TL Base
2002 Acura TL Type-S
2002 Honda Accord DX
2002 Honda Accord EX
2002 Honda Accord LX
2002 Honda Accord SE
2002 Honda Accord Value Package
2002 Honda S2000 Base
2003 Honda S2000 Base
2004 Honda S2000 Base
2005 Honda S2000 Base
