Find Parts That Fit
AEM 86-93 Acura / 95-98 TL / 88-91 Civic/CRX / 92-01 Prelude Black Adjustable Fuel Pressure Regulato
$230.95
Not sure it fits? Ask our fitment team — we check before it ships.
$230.95
$230.95
Tech Specs
- Brand
- AEM
- SKU
- AEM25-303BK
- Manufacturer part number
- 25-303BK
- Category
- Fuel Delivery › Fuel Pressure Regulators
- Shipping weight
- 0.6 lb
- Availability
- Stocked
- EPA
- N/A
- CARB status
- Not CARB compliant — off-road or race use only
WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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 9/16"x18 fittings.
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1993 | Acura | Integra | GS |
| 1992-1993 | Acura | Integra | GS-R |
| 1986-1993 | Acura | Integra | LS |
| 1987-1988 | Acura | Integra | LS Special Edition |
| 1986-1993 | Acura | Integra | RS |
| 1991-1995 | Acura | Legend | L |
| 1991-1995 | Acura | Legend | LS |
| 1999 | Acura | NSX | Alex Zanardi Edition |
| 1991-2001 | Acura | NSX | Base |
| 1995-2002 | Acura | NSX | T |
| 1995-1998 | Acura | TL | Base |
| 1995-1998 | Acura | TL | Premium |
| 1992-1994 | Acura | Vigor | GS |
| 1992-1994 | Acura | Vigor | LS |
| 1990-1991 | Honda | Civic | EX |
| 1988-1991 | Honda | Civic | RT 4WD |
| 1989-1991 | Honda | Civic | Si |
| 1988-1991 | Honda | CRX | HF |
| 1988-1991 | Honda | CRX | Si |
| 2000-2002 | Honda | Insight | Base |
| 1997-2001 | Honda | Prelude | Base |
| 1995 | Honda | Prelude | SE |
| 1992-1996 | Honda | Prelude | Si |
| 1992-1993 | Honda | Prelude | Si 4WS |
| 1997-2001 | Honda | Prelude | Type SH |
| 1993-1996 | Honda | Prelude | VTEC |
- Patented interchangeable discharge orifices match output of virtually any fuel pump (single large port included)
- Mounts directly to O.E. fuel rail or AEM High Volume Fuel Rail
- Adjustable from 20 psi to maximum fuel pump capacity
- Boost dependent rising fuel pressure rate (1:1)
- No additional parts required for installation
- CNC-machined from 6061-T6 billet aluminum
- Accept a -6 AN or 9/16"x18 fittings
- Patent # 6,298,828
Related Tech Articles
How to Choose a Big Brake Kit Without Overbuying
A big brake kit doesn't shorten your stopping distance — tires do. What it actually buys is heat capacity and pedal consistency. How to choose rotor diameter, piston area and pad compound, and when fluid and pads are the smarter spend.
Where Exhaust Power Actually Comes From
Almost every cat-back horsepower claim online is unsourced. Here's what an independent dyno test actually measured, why scavenging lives in the headers and not the cat-back, and where the power really is on a turbo car.
Coilovers vs Lowering Springs: How to Actually Decide
Both lower the car — but the decision is really about the damper. Why stock dampers and aftermarket spring rates fight each other, when springs are genuinely the right call, and what each path costs you beyond the parts.
- Choosing a selection results in a full page refresh.
- Opens in a new window.