Wiring and Relays

Wiring kits, relay blocks, toggle switches, and harnesses are designed for easy installation and reliable performance in MSD-equipped vehicles.
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Gauges and Accessories

MSD gauges and accessories deliver precision performance data and race-ready functionality. Monitor RPM, shift points, and more with trusted accuracy and rugged construction.
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Harnesses

MSD wiring harnesses are built for plug-and-play reliability and performance. From ignition to sensors, we’ve got the right harness for your MSD system.
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Sensors

Dial in your tune with MSD MAP sensors. Built for accuracy and reliability, these plug-and-play units are ideal for Power Grid and high-performance EFI setups.
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Starter Accessories

Essential starter accessories from MSD, designed to enhance reliability, durability, and installation efficiency. From heat shields to shims and brackets, get everything you need for a dependable start every time.
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Wiring Tools

Professional-grade wiring tools from MSD to help you cut, strip, crimp, and organize with precision. Ideal for street, strip, and custom installs—get the job done right.
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Electrical

Power, control, and clean wiring—MSD’s electrical components help you build a reliable, race-ready system. From solid-state relays and fuse blocks to switches, harnesses, and power distribution modules, MSD gives you the tools to wire it right the first time—whether it's for the street, strip, or trail.