Champion Copper Plus Spark Plug RN12YC 24-Pack

• Copper Plus spark plugs have a copper core center electrode that allows for accurate control of heat range, optimizing performance and longevity of the spark plug
• Patented SAC-9 semi-conductor resistor for maximum EMI and RFI suppression
• Patented Ultra seal coated shell for rust prevention
• Sold as a pack of 24

NOTE: Part numbers beginning with "R" are resistor type. Order by Champion numbers.