2 x NGK LKAR9BI-10 & 2 x NGK LMAR7DI-10 Motorcycle Spark Plugs (Set of 4)

NGK iridium spark plugs currently represent the highest-quality technological solution. They feature an iridium-alloy on the middle electrode welded on in a special process using laser. By using it, the service life is doubled on average in comparison to standard nickel spark plugs.