Black November: up to 60% off, with new deals all month.Shop the deals
Tariff drama? Not here. Every order ships with zero surprise fees.
Free Canadian shipping on qualifying orders $399+.
750,000+ parts from 500+ brands. Whatever the build, we have a solution.
Shop byVehicle

FAST Part # FST301105

FAST Wiring Harness FAST XFI - 301105

Earn 1,316 Dino Dollars, double for Black NovemberHow it works

Before you order

Customers also viewed

4.8 on Google964 store reviews
Canadian since 2005Mississauga, Ontario

FAST offers several main harness options to aC-Commodate most customers' needs. The XFI Main Harness is responsible for connecting your XFI ECU to sensors as well as digital dashes, EGT modules, and various optional accessories. The Main Harness also handles communication between the ECU and ignition devices. Main harnesses are available in TPI, LT-1, LS-1 through 9 (including truck/suv designs), Modern HEMI, Carburetor Conversions and even Rear-Engine Dragsters and Boats. FAST also offers Main Harnesses that come terminated on the sensor side but non-terminated on the ECU side to allow for a truely custom fit. All terminals, seals and connectors are available individually, so don't hesitate to try your hand at crafting your own custom harness from start to finish.

XFI Main harness designed for a custom car builder, resto-modder or for any enthusiast who wants to take all the slack out of the harness and install an XFI fuel injection system in the cleanest way possible.

Free Canadian shipping on qualifying orders $399+, with no duties or brokerage. Special order and made-to-order items can't be cancelled or refunded once ordered. Oversized items may have a handling fee depending on your location; pickup in Mississauga has no fee.

Shipping policy · Refund policy

Customer reviews

No reviews yet. Bought this part? Tell other drivers how it went.

Search