Holley Fuel Cell EFI Pump Module Assembly - 12-147 catalytic-converters 057" Jet size

057" Jet size

There will be a mileage level

The original two chamber design

2008-2010 Chevrolet Silverado 2500 HD 364 CID

Holley Fuel Cell EFI Pump Module Assembly - 12-147 catalytic-converters 057" Jet sizeOverview: Updating your racing fuel system to EFI is so simple! Holley is excited to introduce our Holley Fuel Cell EFI Pump Modules. While the name includes EFI, these modules can be used as an upgrade for carbureted systems as well with the proper regulator. The modules were designed to drop in as a direct replacement for your existing 12 bolt flange fuel cell cap assembly. The billet top flange includes an 8AN inlet port, a 10AN outlet port, and a