HKS 50003-M45-1 M-Series Super Fire Racing Iridium Spark Plug

The HKS Super Fire Racing M-Series spark plug is a high-performance iridium spark plug engineered for modified and high-performance engines. Designed to handle advanced levels of tuning, this plug provides improved ignition performance, durability and anti-carbon build-up.

Advanced Iridium Technology:

• 0.6mm iridium alloy center electrode reduces voltage requirement while improving ignition performance and durability
• Platinum chip on outer electrode improves durability and boosts ignition performance
• High melting point of 2454 degrees C allows the electrode to tolerate high compression levels and minor knocking
• Nickel coating on the housing prevents premature deterioration

Performance Features:

• Shortened outer electrode with anti-vibration design for improved longevity
• Thermal edge design helps prevent carbon buildup and misfires
• Provides smooth acceleration and performance throughout the entire RPM band

Ideal for extreme racing conditions while also fitting perfectly in stock engines. Sold individually.