Ignitions and Electrical› Wiring Harnesses

FAST

FAST Chrysler 5.7L/6.1L Hemi XFI Main Harness

$501.95

SKU: F003 301104

In Stock
In Stock
Ships by Jul 30
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

This complete wiring harness is designed to connect the XFI ECU to the main engine wiring harness of your vehicle. It features pre-terminated ends with unique Weatherpack connectors for a precise fit. Constructed from premium-quality materials, it has been tested for strength and reliability. Installation is easy and requires no drilling. The product comes with a limited 1-year warranty.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandFAST
Part NumberF003 301104

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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