MSD is a premier manufacturer of high-performance automotive ignition systems, including ignition boxes, distributors, coils, and spark plug wires.
MSD (frequently known as MSD Performance or MSD Ignition) is a leading name in the automotive aftermarket industry, specializing in ignition components that deliver superior performance and reliability. Originally founded as Autotronic Controls Corporation, MSD revolutionized the market with its Capacitive Discharge (CD) ignition design, exemplified by the iconic MSD 6-Series Ignition Control. Today, as a brand under the Holley family, MSD continues to innovate with comprehensive ignition solutions, including the Atomic EFI, Pro-Billet distributors, Blaster coils, and Super Conductor spark plug wires.
Designed for enthusiasts and racers alike, MSD products are engineered to improve throttle response, engine efficiency, and power output. Whether for street rods, drag racing, or off-road applications, MSD provides the spark needed to unleash an engine's full potential. The company also offers advanced programmable ignition systems and timing accessories to support complex engine builds.
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No. Solid core wires produce excessive Electro Magnetic Interference (EMI) which can interfere with the operation of MSD ignition controls. It is recommended to use helically wound suppression wires, such as the MSD 8.5mm Super Conductor.
You can register your MSD product online at the official MSD Performance registration page (www.msdperformance.com/registration) to ensure warranty coverage and product support.
MSD recommends following the engine builder or manufacturer specifications as a starting point. However, the gap can often be opened in 0.005-inch increments to test for performance improvements with the stronger MSD spark.
Many MSD ignition units (like the 6AL) are set for 8-cylinder engines by default. For 4 or 6-cylinder applications, you typically need to cut specific wire loops (Red or Blue) located on the side of the unit or adjust rotary dials, as detailed in your specific product manual.