FAST 301108 XFI Main Wiring Harness, GM LS1/LS2/LS6/LS7
- This item ships directly from the manufacturer. It may take an additional 10 business days for FAST Fuel Air Spark Technology to ship this item.
- This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
Harness Part Number 301108
- Harness will work with GM Gen III/IV LS1, LS2, LS3, LS6, LS7, etc
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.
Sensors for Part Number 301108 Harness
Throttle Position Sensor (TPS)
Part# 54020 - GM LS1 style Sensor
- Part# 307028 - GM LT1 style Sensor
Manifold Absolute Pressure (MAP)
- LS1 Style 1 Bar MAP Part# 307029 or other OEM Style LS1 MAP
If using any of the below FAST MAP Sensors, Adaptor Harness Part# 308029 or Main Harness #301101 must be purchased:
- 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)
- OEM Gen III/LS1 Style Coolant Temp. Sensor. will be required
Air Temp. Sensor (ATS)
- FAST Part# 307004
Idle Air Control (IAC)
LS1 - Part# 307059
- LT1 - Part# 307015
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Q & A
Speedway Motors employee Pat O. takes some time to discuss the Fuel Gauge Interface Module that allows you to use any gauge set with almost any fuel level sending unit.
Tim talks about his favorite intake manifold, the Might Edelbrock X1.
Tim talks about the new Edelbrock powder coated cylinder heads and provides a little history on Federal Mogul heads.
Speedway Motors and Classic Trucks built a 1952 Chevy truck in celebration of the 65th anniversary of Speedway Motors. Check out the short video on one of the products used in the build.
A routine weekly maintenance checklist to perform between each race in order to keep a clean and efficient race car at the track.