Wiring Harnesses

This HEI Ignition Adapter kit contains the harness needed to adapt the XFI 2.0 to an HEI Ignition device.User 1Catalog

FAST's Hall Effect Adapter kit contains the harness needed to adapt the XFI 2.0 to a 3-wire Hall Effect ignition device.User 1Catalog

Required to connect the Wideband Oxygen Sensor to the XFI ECU's main wiring harness. It is approximately 4 feet long.User 1Catalog

FAST? Fuel Injector Adapter Harnesses and Connector Kits enable easy retro-fitting of both new and old style electronic fuel injectors. New style fuel injectors can be used on vehicles equipped with older-style Minitimer connectors. Retro-fitting a...

This cable is 12 feet log and does not come with a power lead.User 1Catalog