Champion 406 Spark Plug, Pack of 1

• 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.

14mm Thread Size, 11.6mm (.460") Reach, 5/8" (16mm) Hex Size, Tapered Seat, Resistor, Copper Core, Projected Tip, Heat Range 12 Champions traditional plugs are all constructed with a corrosion resistant zinc plated shell. Resistor plugs have the most durable high voltage semiconductor while marine application use a special wire wound Q-type suppressor (CDI resistor) when noted. Copper core ground or center electrode (when noted). Conforms to all I.S.O and S.A.E standards as specified by all manufacturers.