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FAST 301108 XFI Main Harness for GM LS1 LS2 LS3 LS6 LS7 LS9 LS Truck Engines

(Chevrolet Silverado 1500 1999-2007, Suburban 1500 2000-06, Camaro 1998-2002, 2014-15, Corvette 1997-2013, Tahoe 2000-06, Trailblazer 2006-09 + 23 more models)

Manufacturer

Picture for manufacturer FAST

Part Number

301108
5 reviews
Sale Price

$453.95

In Stock (9)

delivery box

Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The FAST 301108 XFI Main Harness is engineered to connect your XFI ECU to essential engine sensors, digital dashes, EGT modules, and optional accessories on GM LS-series engines. This comprehensive wiring harness is specifically designed for LS1, LS2, LS3, LS6, LS7, LS9, and LS truck applications, providing all necessary connections for seamless engine management system integration.

Key Features:

  • Direct plug-and-play compatibility with FAST XFI ECU systems
  • Pre-terminated connections for GM LS-series engine sensors
  • Handles ECU-to-ignition device communication
  • Compatible with digital dashboards and EGT modules
  • Supports various optional FAST accessories
  • High-quality terminals, seals, and connectors throughout
  • Professional-grade wiring for reliable performance

This main harness eliminates the complexity of custom wiring by providing factory-quality connections between your XFI engine management system and all critical engine components. Designed for GM LS engine swaps, performance builds, and stand-alone ECU conversions, this harness ensures proper signal integrity and reliable operation.

Products specifications

Fits

Chevrolet Silverado 1500 1999-2007, Suburban 1500 2000-06, Camaro 1998-2002, 2014-15, Corvette 1997-2013, Tahoe 2000-06, Trailblazer 2006-09, Avalanche 1500 2002-06, Express 3500 2003-05, Express 2500 2003-07 + 20 more models

C.A.R.B. Exempt?

No

Component Compatibility

XFI 2.0

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

First of all, I can not believe how fast I recieved my order, 2 DAYS! Best of all, the instructions made it easy for a non mechanic like me to install.

lowest price and in stock

Fast shipping and the lowest price. Very impressed.

fast shipment and was exactly what i had ordered

Great Communication and instant shipping. Well done!

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