Holley's Fuel Cell EFI Pump Module Assembly drops in as a direct replacement for an existing 12-bolt flange fuel cell cap assembly, simplifying an upgrade to EFI. The billet top flange includes an 8AN inlet port, a 10AN outlet port, and a fuel filler cap, with pump depth fully adjustable from 7.5 to 12 in. deep. Though built for EFI, the module can also serve carbureted systems with the proper regulator.
Specifications:
- Flange Style: 12-Bolt
- Pump Configuration: Dual 450 LPH
- Free Flow: 230 GPH combined
- Max Pressure: 87 psi
- Inlet Size: 8 AN ORB
- Outlet Size: 10 AN ORB
- Current Draw: 16.9 amps
- Material: Aluminum
- Fuel Type: Gasoline / E85
- Application: Universal
- Part Number: 12-147
Fits common RJS, Jaz, Summit, JEGS, RCI, Speedmaster, and Speedway fuel cells. Fill cap thread is 1-1/2"-12. Supports up to 1,750 EFI or 2,200 carbureted horsepower (at 60 psi, 13.5 volts, 16.9 amp draw). Module kit includes all hardware needed for installation into an existing fuel cell — just add fuel line.
FAQ
What horsepower can this module support?
Up to 1,750 EFI horsepower or 2,200 carbureted horsepower, at 60 psi and 13.5 volts.
What fuel cells does it fit?
Common 12-bolt flange cells from RJS, Jaz, Summit, JEGS, RCI, Speedmaster, and Speedway.
Is it only for EFI systems?
No, it can also upgrade carbureted systems when paired with the proper regulator.
What's the pump configuration?
Dual 450 LPH fuel pumps.
Is any hardware included?
Yes, all hardware needed for installation into an existing fuel cell is included; you supply the fuel line.

