Holley 550-903T Terminator X MPFI GM LS1/LS6 Engine Control Module Kit

The Holley Terminator X MPFI GM LS1/LS6 Engine Control Module Kit is designed for GM LS-Series applications using a 24x reluctor wheel. This kit combines engine control functionality with a wiring harness to support a clean, organized installation for compatible LS1 and LS6 engines.

Part number 550-903T provides a Terminator X solution for managing multi-port fuel injection on applicable GM LS-Series engines. The included wiring harness helps connect the engine control module to the vehicle’s engine management system while keeping the installation components together as a complete kit.

Use the Holley Terminator X MPFI GM LS1/LS6 kit when you need an engine control module and wiring harness package for a compatible 24x reluctor wheel setup. Verify application requirements before installation to confirm suitability for the specific engine and vehicle.

Features:

• Engine Control Module: Terminator X engine control module kit for GM LS-Series applications
• Application: GM LS1 and LS6 engines
• Fuel Injection: Multi-port fuel injection system
• Reluctor Wheel: Designed for applications using a 24x reluctor wheel
• Wiring Harness: Includes a wiring harness as part of the kit
• Brand: Holley
• Part Number: 550-903T