XFI Main Harnesses - GM LT1/Carb Conversion

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  • Regular price $351.95


FAST XFI Main Harnesses feature clearly labeled wires and pre-terminated ends with Weather Pack connectors for a perfect fit to your application. Environmentally sealed Weather Pack connectors were originally designed 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.

Harness Part Number 301101

Harness will work w/ GM LT1 & LS Engines when the below sensors are used
Comes equipped to work w/ GM LT1-Style or LS1-Style TPS & IAC
Sensors for Part Number 301101 Harness
Throttle Position Sensor (TPS)
Part# 307028 - GM LT1 style Sensor
Part# 54020 - GM LS1 style Sensor
Manifold Absolute Pressure (MAP)
1 Bar MAP (14.5psi Max) Part# 307007
2 Bar MAP (29.0psi Max) Part# 307008
3 Bar MAP (43.5psi Max) Part# 307009
5 Bar MAP (72.5psi Max) Part# 307047
Coolant Temp. Sensor (CTS)
FAST™ Part# 307003
Air Temp. Sensor (ATS)
FAST™ Part# 307004
Idle Air Control (IAC)
LT1 - Part# 307015
LS1 - Part# 307059