XFI Main Harnesses - GM LT1/Carb Conversion

XFI™ Main Harnesses - GM LT1/Carb Conversion
In stock

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