NGK is setting standards in meeting highest quality demands. By employing progressive engineering we ensure a performance level to satisfy also extreme conditions. Standard Model: * OEM Quality * Triple-Gasket Sealing Process * Consistent Performance * Plug of Choice in Millions of Vehicles Iridium Model: The “secret” of the Iridium IX spark plug is its laser-welded electrode made of iridium. Thanks to its exceptional thin diameter of 0.6 mm it bundles ignition voltage, thus improving combustion at any speed. The engine runs smoothly, the motorcycle accelerates faster. Also, the high-tech metal iridium keeps the distance between the electrodes completely stable, thus preventing the engine from backfiring. Compatible with: - Bmw: F 800 GS 08-_M, F 800 R_M, F 800 S/ST_M - Buell: Cyclone_M, S1_M, S2_M, S3_M, X1 lighting_M - Ducati: GT 1000 07-_M, Hypermotard 1100 EVO_M, Hypermotard 1100_M, Hypermotard 796_M, Monster 1100 S_M, Monster 1100_M, Monster 620_M, Monster 695_M, Monster 696_M, Monster S2R 1000_M, Multistrada 1000_M, Multistrada 1100_M, Multistrada 620_M, Paul Smart 1000 06-_M, Sport 1000 06-_M - Ktm: 250 EXC/SX_M, 400 EXC/SX_M, 450/560 SMR 07-_M, 525 EX/MXC/SXC_M, 625 SXC/SMC_M, 640 Duke_M, 640 LC4_M, 660 SMC_M, 990 Adventure_M, 990 Super Duke R_M, 990 Super Duke_M, 990 Supermoto_M, Super Duke R_M