FAST · New
FAST Wiring Harness Std F/O SBC
MPN 301200 · Store SKU fst301200
Supplier stock checked 11/8/2026, 3:12:27 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
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 Minitimer/EV1 connections and a harness designed to fit most Chevrolet Small and Big Block and Chrysler LA, B and RB engines with a 1-8-4-3-6-5-7-2 firing order. XFI Fuel Injector Harness for SBC, BBC, LT1 and Chrysler Small Block, B and RB
Manufacturer fitment & guides
Check 301200 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- California Proposition 65: Y