fast

This conversion kit includes everything you need to convert your single O2 Sensor A/F Meter to a Dual O2 Sensor A/F Meter.CatalogUser 1

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 harness allows you to add up to 8 additional inputs to your XFI ECU. This harness is designed to aC-Commodate 0 to 5 volt range sensors that r...

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 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...

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...

Connect multiple Nitrous solenoids and take full control over your power adders with the XFI ECU using this kit.CatalogUser 1

The FAST XFI ECU has provisions for 8 analog inputs. These can be used to monitor and record various engine or chassis parameters. Fuel pressure an...

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

FAST XFI Fuel Injector Harnesses connect the XFI ECU to the fuel injectors. These harnesses are designed to aC-Commodate most common V8 engines fro...

Equipped with a solid state relay, this harness allows the user to add fuel pump control to a FAST EZ-EFI 2.0 fuel injection system. This harness i...