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FAST XFI Main Harness connects the XFI ECU to sensors, digital dashes, EGT modules and ignition devices, and is offered in multiple engine‑specific terminations. This 301100 harness fits GM TPI or weatherpack‑style sensors and is intended to simplify ECU integration during conversions or builds. FAST also offers terminated and non‑terminated options and individual terminals and seals for custom harness work.
FAST Wiring Harness FAST Main
