With fourteen factories in eight nations throughout the world, NGK Spark Plugs is no doubt the World Leader when it comes to spark plugs. The Iron Dog is grateful to receive support from industry leaders across the board, and NGK is no exception.For first year teams racing in the 2012 Iron Dog, NGK Spark Plugs could send them home with $500 cash along with a NGK gear package for each rider. These prizes from NGK Spark Plugs will go to the best placed all Rookie team!See the complete list of Contingency Prizes.