ECU & Wiring Harness LS1 Get your GM LS1 or LS6 purring like a kitten with the Holley ECU & Wiring Harness Kit. This isn't just any engine control module; it's a 24x Reluctor Wheel marvel that tunes your ride for the racetrack. Perfect for the GM LS-Series, it offers seamless integration, making your auto cross and road course adventures smoother than a Sunday drive. Why Choose Holley? Holley, a name trusted by gearheads, delivers top-notch components to enhance your ride's performance. With easy installation, even your grandma could get it running! The kit includes everything you need, from wiring harnesses to high-quality connectors. What's Included? Engine Control Module Comprehensive Wiring Harness 24x Reluctor Wheel All Necessary Connectors and Hardware With visuals showing off the sleek design and robust components, this kit isn't just functional—it's a must-have for any serious GM enthusiast. Elevate your racing experience and leave others eating your dust!