HKS M-Series spark plugs are high performance Iridium plugs designed to provide improved ignition performance, durability and anti-carbon build-up.
M-Series Super Fire Spark Plugs Feature: - 0.6mm Iridium Alloy Center Electrode - Outer Electrode with Platinum Chip - Short Type Outer Electrode (Anti-Vibration) - Thermal Edge - Spark Support Gap
*M Series is recommended for reliable ignition, durability and anti-carbon buildup under high load.
