NGK Standard Spark Plugs. Other manufacturers use a "copper coated" center core.
2x NGK CR9EIA-9 6289 Laser Iridium Spark Plugs For KAWASAKI EN650 15-->
2x NGK MAR10A-J #4706 OEM SPARK PLUGS DUCATI 1098, 1098S / Tricolore 1098 07>
2x NGK Spark Plugs for HONDA 1800cc VTX1800/C 01->08 No.3678
2x NGK IRIDIUM IX CR8EHIX-9 3797 SPARK PLUGS HONDA XL125V Varadero 125 01/01 >
2x NGK DPR8EA-9 Spark Plugs for Suzuki GS 500 E 89-00
Genuine 2x NGK Spark Plugs Yamaha RD200 RD250 RD350 RD400 B8ES -- E1-05
