Features:

• Proprietary plug design inside and out
• Designed for use on high performance vehicles that utilize high output ignition systems
• Machined electrode increases exposure to the flame to improve combustion
• MSD’s proprietary ceramic formula provides the highest dielectric strength
• Yttrium ground electrode reduces the chance of pre-ignition
• Iridium tip improves cold starts
• All spark plugs tested prior to packaging and shipping
• Unique insulator design improves spark isolation
• Lower voltage Requirements for longer coil life

About MSD

Shop MSD ignition boxes, coils, distributors, spark plug wires, crank triggers, RPM controls, starters, and electrical components for street and racing applications at Holley.

The following vehicles are considered Emissions Controlled Vehicles:

• 1966 and newer U.S. manufactured California Certified vehicles
• 1968 and newer U.S. manufactured Federally Certified vehicles
• 1968 and newer Foreign manufactured vehicle