Champion 304 RS9YC Spark Plug

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Champion 304 RS9YC Spark PlugThis plug has been discontinued. Conventional spark plug with nickel alloy electrodes. Copper core center electrode allows for increased conductivity a nd heat control. Product Specifications Shell Thread Diameter 14mm Thread Pitch 1.25mm Seat Type Tapered Reach 17.5mm (.689") Hex Size 5/8" (16mm) Terminal Type Removable Nut Gap .035" (0.9mm) Center Electrode Material Nickel Type Standard Size 2.5mm Projection Projected Ground Electrode Material Nickel Type Standard Quantity 1 Specifications Resistor Yes Resistor Type SAC9 Heat Range 9 Features Extended center electrode Torque Specs: Cast Iron: 7-15 lb. ft. Aluminum: 7-15 lb. ft. Show more