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