Copper Plus Spark Plug (RS10LC) delivers dependable performance and durability, making it a reliable choice for your vehicle's ignition system. Featuring a copper core center electrode, it ensures precise heat control and enhanced conductivity, promoting longer life and consistent wear. The patented TinTac and ULTRASEAL coated shell provide superior protection against corrosion, ensuring the spark plug remains resilient in harsh conditions. Additionally, the SAC-9 semiconductor resistor is designed to suppress EMI and RFI interference, contributing to smoother engine operation. Built to ISO and SAE Standards, this spark plug guarantees proven performance and compatibility with a wide range of vehicles. Whether you're seeking improved ignition efficiency or long-lasting reliability, this spark plug offers exceptional value and quality.

Product Features:

• Copper Plus - Dependable Performance.
• Copper core center electrode allows for accurate control of heat range for longer life
• Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
• Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
• Built to ISO and SAE standards for proven performance