FAST's Power Adder Connector Kit allows you to build your own harness from scratch. Connect multiple Nitrous solenoids and take full control over your power adders with the XFI ECU using this kit...
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...
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 spikes.User 1Catalog
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...