MSD LS Coil Harness Power Upgrade For Ignition System

The MSD LS Coil Harness Power Upgrade is designed to deliver a stable and enhanced power supply to LS-series ignition coils. By drawing power directly from the battery, this harness reduces voltage drop caused by factory wiring limitations, ensuring consistent spark energy under high load and high RPM conditions. It is ideal for performance vehicles, modified engines, and motorsport applications, helping improve throttle response, combustion efficiency, and overall ignition reliability. The harness features automotive-grade wiring and connectors for long-term durability in demanding engine bay environments.

Key Features

• Direct battery power supply for LS ignition coils
• Reduces voltage drop and improves spark performance
• Automotive-grade wires and connectors
• Heat and vibration-resistant design
• Plug-and-play installation for LS engines