Gen III Hemi Ignition Parts & Upgrades

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.

MSD ignition boxes are the spark behind the spark—delivering high-output energy, precise timing control, and reliable performance for street, strip, circle track, or off-road. Whether you're lighting up a small-block, big-block, or modern EFI setup, MSD ignition boxes give your engine the fire it needs to win.

MSD Super Conductor Spark Plug Wires deliver industry-leading performance with ultra-low resistance and high EMI suppression. Available in direct-fit, universal, and race-tailored sets for domestic and import engines.