Champion RN12YC Spark Plug 3374 Copper Plus spark plug delivers reliable performance and durability, making it an ideal choice for maintaining your vehicle's efficiency. Featuring a copper core center electrode, it ensures precise heat control and enhanced conductivity, promoting longer life and consistent wear. The nickel-tipped center and ground electrodes provide superior corrosion resistance, ensuring dependable operation even in challenging conditions. Designed to meet ISO and SAE Standards, this spark plug guarantees proven performance and compatibility with standard replacement needs. Its flat seat type and built-in resistor further enhance functionality, making it a trusted component for optimal engine performance. 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
