NGK Iridium IX spark plugs are a worldwide success story. Since the initial release they've proven to be a fantastic spark plug upgrade and are now successfully used in millions of vehicles around the globe.
CR9EIX 3521 NGK IRIDIUM IX PLUGS SET OF 4 UPGRADE
Suzuki GSXR1000 K1 K2 K3 K4 K5 K6 NGK Iridium Spark Plugs CR9EIX 3521 (4 PLUGS)
3x NGK Iridium IX Spark Plugs for TRIUMPH 675cc Street Triple R 08-> #3521
3x NGK Iridium IX Spark Plugs for TRIUMPH 955cc Daytona 955i (10mm) 01->06 #3521
