Holley Fuel Cell EFI Pump Module Assembly

12-Bolt Flange 255 LPH Drop-In EFI

PART# 12-144

$439.95   Suggested Retail
$337.46   Holleydays Price
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Updating your racing fuel system to EFI is so simple! Holley is excited to introduce our Holley Fuel Cell EFI Pump Modules. The modules were designed to drop in as a direct replacement for your existing 6 or 12 bolt flange fuel cell cap assembly. The billet top flange includes an 8AN inlet port, a 10AN outlet port, and a fuel filler cap. The fuel pump depth is fully adjustable from 7.5” to 11” deep. The EFI modules are available with single 255 LPH and 450 LPH fuel pumps. The module kits include all the hardware to install into your existing fuel cell. All that you need to add is your fuel line.


  • Update your fuel cell to EFI the easy way!
  • Designed to drop right into your existing 6 or 12 bolt flange fuel cell
  • Billet top flange housing includes an 8AN inlet and 10AN outlet port and a fuel filler cap
  • Modules are available with 255 or 450 LPH fuel pumps in single pump configurations
  • The pump depth is fully adjustable for fitment in the popular fuel cell sizes 7.5”-11” deep.


Flange Style12 Bolt
Free Flow LPH255
Inlet Size8 AN
Outlet Size10 AN
Product TypeFuel Pump
Part Number12-144

Tech Resources

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