DescriptionRecommded for Yamaha SR500, XT500, XS650 and others.Iridium spark plugs for the serious enthusiast.Enhanced Ignition EfficiencyBetter AccelerationFaster StartingSmoother RunningLonger LifeBetter Fuel ConsumptionIridium spark plugs are used by some of the world’s leading motorcycle race teams, and as original equipment in many high performance road and off road motorbikes. Owners who want the very best performance from their bikes will want the best spark plug, and NGK offer this with the Iridium IX.
