Ignitions and Electrical› Wiring Harnesses

FAST

FAST Wiring Harness FAST Main Drag

$453.95

SKU: F003 301106

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

FAST XFI main wiring harnesses are designed to connect the XFI ECU to the main engine wiring harness of a vehicle. They feature pre-terminated ends with special Weatherpack connectors for a perfect fit. This specific harness (301106) is engineered with short leads to facilitate XFI installation in rear engine dragsters and boats, where shorter wires are typically required, saving installers time. Designed and engineered in the USA for US domestic vehicles.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandFAST
Part NumberF003 301106

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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