NGK Spark Plugs - ILKR8E6 - 1422 - Mitsubishi lancer Evolution 10 X CZ4A One set of 4 Spark Plugs NGK has the technology to produce plugs for every type of automotive engine, as well as for motorcycles, marine, horticultural and many other applications. In fact NGK produces and stocks well in excess of 1,000 different types of plug. NGK always works very closely with the engine manufacturer to ensure a perfect match between plug and machine. Read More about NGK Spark Plugs HERE Fit the Best - Fit NGK. NGK Stock Number = 1422 NGK Part Number = ILKR8E6 Mitsubishi Part Number = 1822A021