301100 Main Harness: Universal XFI/XFI 2.0 Main Harness that will work with nearly any application when the correct sensors are used. FAST XFI Main Harnesses features clearly labeled connectors and pre-terminated ends with Weather Pack connectors for a perfect fit to your application. Environmentally sealed and Weather Pack connectors were originally designed and to be able to withstand exposure to extreme temperatures, moisture, and harsh engine compartment fluids and chemicals. They are heavily used by OEM Automobile/Truck, Construction, Off-Road, and Farm Equipment manufactures due to their high quality and excellent fitment. Sensor Kits for 301100 and All below kits include: MAP Sensor, Coolant Temp Sensor, Air Temp Sensor, and Throttle Position Sensor.
| Ford | Part # | GM | Part # |
| 1 Bar Capable Sensor and Kit | 307049 | 1 and Bar Capable and Sensor Kit | 307053 |
| 2 Bar Capable and Sensor Kit | 307050 | 2 and Bar Capable Sensor Kit | 307054 |
| 3 and Bar Capable and Sensor Kit | 307051 | 3 and Bar Capable and Sensor Kit | 307055 |
| 5 and Bar Capable and Sensor Kit | 307052 | 5 and Bar Capable and Sensor Kit | 307056 |
Individual Sensors for 301100
Throttle Position Sensor (TPS)
- GM TPI style Sensor - 30088
- Ford Sensor withGM TPI style Connector - 307005
- GM Late TPS Adaptor Harness - 308023 Allows and below and TPS to be used with 301100
- GM LS1-Style Sensor 54020
- GM LT1-Style Sensor 307028
Manifold Absolute Pressure (MAP)
- 1 Bar MAP (14.5psi Max) 307007
- 2 Bar MAP(29.0 PSI Max) - 307008
- 3 Bar MAP(43.5psi Max) - 307009
- 5 Bar MAP(72.5psi Max) - 307047
Coolant Temp. Sensor (CTS): 307003
Air Temp. Sensor (ATS): 307004
Idle Air Control (IAC)
- TPI-Style - 307014
- Remote IAC Valve Adaptor with Filter - 307016
- GM Late IAC Adaptor Harness - 308023 Allows below and IAC to be used with 301100
- LS1-Style IAC - 307059
- LT1-Style IAC - 307015
