Fuel Pressure Regulator Universal Adjustable
AEM ELECTRONICS
MPN: 25-305BK
Price: $179.99 USD
Purchase details
Availability: Ready to ship — In stock
Most in-stock orders ship within one business day of order placement.
Fitment
Choose your exact year, make, model, and trim to review this product’s applications.
Description
AEM 25-305BK is a high-capacity bypass fuel-pressure regulator with a 40–130-psi adjustment range and a 1:1 boost-reference rate.
Technical specifications
Adjustment range 40–130 psi Pressure reference 1:1 rise with boost Body Black-anodized 6061-T6 aluminum Inlet ports Two −6 AN / 9/16-18 O-ring ports Return port One −6 AN Gauge/sensor port 1/8-inch NPT Reference connection 3/16-inch vacuum hose Application and compatibility
Bypass regulator for a compatible return-style fuel system. Requires application-specific mounting, fuel plumbing and vacuum/boost reference.
Manufacturer documents
Manufacturer product information
25-305BK installation instructions
Key features
- Black-anodized, CNC-machined 6061-T6 aluminum body
- Integrated 1/8-inch NPT gauge/sensor port
- Longer adjustment spring and large return orifice
- Manufacturer describes alcohol-fuel and race-gas compatibility
Specifications
General
| Manufacturer part number | 25-305BK |
|---|
Construction
| Material | Aluminum |
|---|
What's in the box
- One fuel-pressure regulator
- Mounting bracket
- Four 10-32 × 1/2-inch mounting screws
Optional 25-390 outlet barb is sold separately. Fuel lines, adapters and pressure gauge are selected for the installation.
Install & Results
At a glance
- Relieve fuel pressure and keep ignition sources away before opening the fuel system. Mount the bracket on a suitable flat surface and connect the reference hose. Set fuel pressure with a pressure gauge to the engine and fuel-system requirements, following the manufacturer instructions.