Holley Fuel Cell EFI Pump Module Assembly - 12-147 catalytic-converters The original two chamber design

The original two chamber design

The exhaust system is covered by our Lifetime Limited Warranty and includes all necessary parts and hardware for easy installation you can do at home

7L engine and is perfect for the person looking for a mild to moderate sound level inside and moderate tone outside

lists R7987 and R8006

There will be a mileage level

Holley Fuel Cell EFI Pump Module Assembly - 12-147 catalytic-converters The original two chamber designOverview: 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