Champion Premium Copper Plus Automotive Spark Plugs feature a copper core electrode that provides increased conductivity and heat control for good overall wear.
- Patented SAC-9 semi-conductor resistor for maximum EMI & RFI suppression
- Copper core center electrode allows for accurate control of heat range for long life
- TinTac and Ultraseal shell for best corrosion protection of any spark plug in the industry
- Most common engine model(s): Briggs & Stratton, Kohler