HKS 50003-M50HL Iridium Spark Plug M-Series Super Fire Racing

The HKS 50003-M50HL is a high-performance M-Series Super Fire Racing iridium spark plug engineered for reliable ignition, exceptional durability, and anti-carbon buildup under high-load conditions. Designed for enthusiasts running advanced engine tuning, this plug delivers improved ignition performance while maintaining easy cold starts and smooth operation.

Key Features:

• 0.6mm Iridium Alloy Center Electrode: Ultra-fine electrode core for concentrated spark energy and improved combustion efficiency
• Platinum Chip Outer Electrode: Enhanced durability and extended service life
• Short Type Outer Electrode Design: Anti-vibration construction for high-performance applications
• Thermal Edge Technology: Optimized heat dissipation to prevent pre-ignition and electrode fouling
• Spark Support Gap: Engineered gap design for consistent spark delivery
• High Temperature Tolerance: Iridium's 2454°C melting point withstands extreme combustion temperatures and high compression
• Nickel-Coated Housing: Prevents corrosion and premature deterioration

The M-Series plugs utilize iridium alloy for its exceptional durability and reliability, allowing for a narrow electrode core without sacrificing longevity. This design provides superior ignitability and throttle response, making it ideal for modified engines experiencing higher loads and compression ratios. The HL (Hot Line) type heat range is specifically calibrated for performance applications.

Note: Spark plug sold individually. Verify heat range compatibility for your specific application.