This is the Aeromotive X1 or EFI Standard Bypass Fuel Pressure Regulator (P/N 13303).
EFI Bypass Regulator for Return Style System Specs:
- Base fuel pressure adjustable from 35-75 PSI (most EFI systems are 60psi).
- Vacuum/Boost reference capability.
- 1:1 rising rate for forced induction engines.
- Gasoline, ethanol, alcohol and diesel compatible.
- 2 – ORB -08 inlet/outlet ports on the sides.
- 1 – ORB -08 return port on the bottom port.
- 1 – 1/8″ NPT Gauge Port with plug.
- 1/16″ NPT Boost Port with 5/32″ hose barb.
- Compatible with X1 High Flow EFI Conversion kit.
- Compatible with X1 Carb Conversion kit.
- 0.188″ bypass with matching spring and poppet.
- Handles up to 150 GPH with AN-08 return line.
- Suitable for any Aeromotive Pump up to the A1000.
- Mounting bracket included (not shown).
X1 Regulator Service/Conversion Kits: Include Seat, diaphragm/poppet assembly and spring
We also sell the Aeromotive In-Tank Phantom Fuel Pump Modules.
A great solution for anyone doing a LS swap. Like everything Aeromotive, this is extremely well made. I mounted it on my firewall with the gauge and it make it super easy to adjust and read the fuel pressure.