FAST XFI Fuel Injector Harnesses connect to FAST™ Main Harnesses to designate your engines specific firing order.
Injector Harness Part Number 301203
Minitimer Injector Connectors
Firing Order 1-3-7-2-6-5-4-8 works with:
Ford - 4.6 & 5.4 Modular (SOHC or DOHC) Engines - 5.0L H.O. & 351 Windsor
*All harnesses will also work with the original "Classic" FAST™ Electronic Fuel Injection.