Champion
N4C, motorcycle spark plug, stock #803c, covers 10% of motorcycle/snowmobile market.
NGK 7734 BPR5ES Nickel Spark Plug
Champion 851C DJ6J Nickel Spark Plug
NGK 97245 BMR7A Spark Plug Blister Pack
OEM Ramp Style Spark Plug Gap Gauge
Champion Small Engines, Big Performance Spark Plug