FAST XFI Fuel Injector Harnesses feature clearly labeled Weather Pack connectors and plug into FAST™ XFI™ Main Harnesses to designate your engines specific firing order.
Injector Harness Part Number 301206
Minitimer Injector Connectors
Firing Order 1-6-5-4-3-2 works with:
Buick V6
*All harnesses will also work with the original "Classic" FAST™ Electronic Fuel Injection.