Air and Fuel› Fuel Injection Systems and Components - Electronic
FAST
XFI Fuel Injection Harness Coyote
SKU: F003 301210
Description
Part #: 301210
FAST XFI Fuel Injector Harnesses connect the XFI ECU to the fuel injectors. These harnesses are designed to aC-Commodate most common V8 engines from the Chevrolet Small Block to GM LS Series, Ford Small and Big Blocks as well as Windsor, Modular, FE configurations. FAST also has taken the intiative to help out customers with less common applications such as Buick V6, Modern Chrysler and even 4 cylinder applications. And, while we may not have a custom tailored injector harness that fits your needs, all of our harnesses can be re-pinned for custom firing orders and reterminated to aC-Commodate different injector connectors.
XFI Fuel Injection Harness equipped with USCAR/EV6 connections and a harness designed to fit Ford Coyote and other V8 engines with a 1-5-4-8-6-3-7-2 firing order.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
MIA's Description
This harness connects the XFI ECU to the fuel injectors and is designed to accommodate various common V8 engines, including Chevrolet Small Block and GM LS Series, as well as Ford Small and Big Blocks (Windsor, Modular, FE configurations). FAST also offers solutions for less common applications like Buick V6, modern Chrysler, and 4-cylinder engines. The harnesses can be re-pinned and reterminated for custom firing orders and different injector connectors.
Fitment
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Specifications
| Brand | FAST |
| Part Number | F003 301210 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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