10 Best Spark Plug Wires 2026 in the United States

The MSD 31229 Super Conductor 8.5mm Spark Plug Wire Set is designed for 8-cylinder engines and offers some useful features for those needing customizable wire lengths. Its 8.5mm diameter wires are relatively thick, which typically means better insulation and durability. The set includes various wire lengths, allowing you to cut wires to fit your engine precisely, which is handy if your car has unique spacing. The wires come with distributor cap boots and terminals, plus a mini-stripper-crimper tool, making installation easier for someone doing their own repairs.

The MSD 32829 Super Conductor Spark Plug Wire Set is designed with high performance in mind, making it an excellent choice for truck owners and enthusiasts of vehicles like the Pontiac GTO, G8, Chevy SS, and Ford 6.2L V8 SVT Raptors. One of its major strengths is the low resistance of less than 50 ohms per foot, which ensures superior spark delivery and maximizes engine performance. The use of a copper alloy conductor contributes to this efficiency, while the ferrro-magnetic core helps in minimizing electromagnetic interference (EMI) that can affect electronic components in your vehicle.

The MSD 32819 Super Conductor Spark Plug Wire Set is designed for high-performance vehicles such as the LS1, Corvette, and Camaro, making it an excellent choice for car enthusiasts looking to enhance their ignition system. One of its key strengths is the use of Dupont Kevlar material for the conductor core, which not only provides excellent tensile strength but also enhances durability. The wires are constructed with a unique design where forty feet of conductor is wound into a single foot of wire, ensuring high Electromagnetic Interference (EMI) suppression. This can lead to better engine performance and reliability.