Holley's Fuel Cell EFI Pump Module Assembly offers a straightforward way to update a racing fuel system to EFI, and it can also serve as an upgrade for carbureted systems when paired with the proper regulator. It drops in as a direct replacement for an existing 6-bolt flange fuel cell cap assembly, with a billet top flange that includes an 8AN inlet port, 10AN outlet port, and fuel filler cap. Pump depth is fully adjustable from 7.5" to 12" deep, and the kit includes all hardware needed for installation.
Specifications:
- Application: Universal
- Average Flow Rating: 255 LPH
- Average Current Draw: 10.4 Amps
- Flange Style: 6-Bolt
- Free Flow Rating: 67 GPH / 255 LPH
- Fuel Type: Gasoline
- Inlet Size: 8 AN ORB
- Outlet Size: 10 AN ORB
- Maximum Pressure: 80 PSI
- Single or Dual Pump: Single
- Voltage: 12V
- Part Number: 12-139
Assembly fits common RJS, Jaz, Summit, Jegs, RCI, Speedmaster, and Speedway fuel cells. Fill cap thread is 1 1/2"-12. Supports up to 550 EFI or 700 carbureted horsepower (at 60 PSI, 13.5 volts, 10.4 amp draw).
FAQ
What fuel cells does this module fit?
It is designed as a direct drop-in replacement for existing 6-bolt flange fuel cell cap assemblies, fitting common RJS, Jaz, Summit, Jegs, RCI, Speedmaster, and Speedway fuel cells.
Can it be used with a carbureted fuel system?
Yes. While designed for EFI, it can also be used as an upgrade for carbureted systems when paired with the proper regulator.
How much horsepower can this pump support?
Up to 550 EFI horsepower or 700 carbureted horsepower at 60 PSI, 13.5 volts, with a 10.4 amp draw.
Is the pump depth adjustable?
Yes, the fuel pump depth is fully adjustable from 7.5" to 12" deep to fit different fuel cell sizes.
What connections does the module include?
The billet top flange includes an 8AN inlet port, a 10AN outlet port, and a fuel filler cap with a 1 1/2"-12 thread.

