Wiring Harnesses

Can be used with any A/F Meter Kit. Replaces cable in 170501 and 170502CatalogUser 1

Tired of setting your points, or hitting that magical point at higher RPM where they seem to float, costing you power and performance? It?s time to...

Fuel Rail Adapter Kit, MANIF T O LS2 INJCatalogWarranty

This adapter connects an older IAC with a 2x2 weatherpack connection to a later model EFI harness that uses a Metripack/LS connection such as our E...

These sensors, by monitoring intake manifold vacuum, measure the amount of load being placed on the engine. The MAP sensors relay engine load outpu...

The throttle position sensor bolts to the throttle blade shaft and relays throttle opening/closing information to the system ECU. The TPS is constr...

This cable is connects directly to the FAST XFI computer with a weatherpack style connector. Features a Serial Bus style connector on Laptop side.C...

Adapts MSD Cam trigger to XFI HarnessCatalogUser 1

Wiring Harness, Fast 4-Cyl Fue L InjectorCatalogUser 1

This main harness is used with Classic Systems on 4 cylinder applicationsCatalogUser 1

This harness provides a universal connection to sensors etc for our Classic SystemCatalogUser 1

Wiring Harness, Fast Fuel Inje CtorCatalogUser 1

Wiring Harness W/Relay, Fast M AinCatalogUser 1

FAST Dual-Sync Distributors are an easy, drop-in, plug-and-play solution for fully sequential high performance V8 EFI engine applications. Featurin...

FAST Dual-Sync Distributors are an easy, drop-in, plug-and-play solution for fully sequential high performance V8 EFI engine applications. Featurin...

The FAST EZ-EFI 2.0 Fuel + Ignition works with either generation of EZ-EFI throttle body, multi-port systems and Inglese throttle bodies and is com...

This adapter provides easy power to the EZ-EFI 1.0 Hand-HeldCatalogWarrantyUser 1CatalogThis Part Fits: Year Make Model Submodel 1980-1985,1987-...

The XIM Ignition Controller allows you to easily control all aspects of the ignition system when used with a FAST EZ-EFI 2.0, XFI 2.0 or XFI Sports...

This harness provides the necessary extended wires and differently terminated crank sensor connector to adapt an LS2/LS7 crankshaft position sensor...

Use two of our 307602 sensors to monitor fuel and oil pressure and know that your XFI can protect you in case of oil or fuel pressure dips or spike...

This harness gives you the pre-built harness needed to allow the XFI to control your electric fuel pump and electric fan. Just provide the relays a...

The XFI EGT (Exhaust Gas Temperature) Module from FAST allows XFI/XFI 2.0 owners to monitor up to 8 EGT sensors without requiring the use of the 8 ...

This harness allows you to connect a vehicle speed sensor or a driveshaft speed sensor to your XFI computer.CatalogUser 1