FAST Chrysler 5.7L/6.1L Hemi XFI Main Harness

The FAST Chrysler 5.7L/6.1L Hemi XFI Main Harness is a high-quality wiring solution designed to connect your XFI ECU to various sensors, digital dashes, EGT modules, and optional accessories. Crafted to ensure reliable communication between the ECU and ignition devices, this main harness is essential for precise engine management and performance tuning. It is available in multiple configurations, including TPI, LT-1, LS-1 through 9 (covering trucks and SUVs), Modern Hemi, Carburetor Conversions, as well as Rear-Engine Dragsters and Boats. FAST also offers harnesses that are terminated on the sensor side but non-terminated on the ECU side, allowing for a truly custom fit. All terminals, seals, and connectors are sold individually, enabling enthusiasts to craft custom harnesses tailored to their specific applications.

Designed for use with Chrysler 5.7L and 6.1L Hemi engines, this harness is suitable for a wide range of vehicles and performance setups. It provides a direct connection to the ECU, sensors, and ignition systems, making it ideal for street, race, or custom builds. Installation involves replacing or upgrading your existing wiring to improve reliability and performance. The kit includes the main harness with all necessary connectors and terminals, with options for customization based on your project needs. Compatible with various vehicle types and engine configurations, this harness ensures seamless integration for optimal engine control and diagnostics.