N9YC Copper Plus Small Engine Spark Plug.;Thread diameter: 14mm, thread reach: 0.75", seat type: gasket, hex size: 13/16", tip material: Nickel Copper Alloy.
- Dependable and durable
- Built to ISO and SAE standards for proven performance
- Patented SAC-9 semi-conductor resistor for maximum EMI & RFI suppression
- Copper core center electrode allows for accurate control of heat range for longer life
- TinTac and ULTRASEAL shell for best corrosion protection of any spark plug in the industry
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov