NGK

The NGK Iridium IX spark plugs offer improved throttle response, superior anti-fouling and high-ignitability, which makes Iridium IX® ideal for the performance enthusiast....

One step cooler than OEM 6R12. 12mm threaded. 19mm (3/4") reach. Used with a 16mm spark plug socket. Removable terminal. The NGK Iridium IX spark plugs offer improved throttle...

The NGK Iridium IX spark plugs offer improved throttle response, superior anti-fouling and high-ignitability, which makes Iridium IX® ideal for the performance enthusiast....

Repl. for OEM #4 (RL82YC). 14mm threaded. 19mm (3/4") reach. The NGK Iridium IX spark plugs offer improved throttle response, superior anti-fouling and high-ignitability, which...

Repl. for OEM 5R6A. 14mm threaded. 19mm (3/4") reach. Used with a 21mm spark plug socket. Removable terminal. The NGK Iridium IX spark plugs offer improved throttle response,...

Copper core. NGK copper core V-Power spark plugs feature a specially designed v-groove center electrode, improving ignitability and reducing quenching. The 98% pure copper...

Fits: > Indian: 2003 Dakota 4 1850cc; 2003 Dakota 4 Classic 1850cc; 2003 Dakota 4 Highway 1850cc; 2003 Dakota 4 si 1850cc

Fits: > Ducati: 91-92 400 Supersport Junior 400cc; 79-83 500 Pantah SL 500cc; 79-83 500 Pantah SL 500cc; 1981 600 Pantah SL 600cc; 1981 600 Pantah TL 600cc; 1987 750 Indiana...

Fits: > BMW: 1936-1937 R 5 494cc; R 50 Series 500cc; R 51 Series 500cc. Ducati: 69-74 450 SCR 450cc; 500 Desmo 500cc; 74-79 500 GTL 500cc; 79-83 500 Pantah 500cc; 78-80 500...

Repl. for OEM 5R6A. 14mm threaded. 19mm (3/4") reach. Used with a 21mm spark plug socket. Copper-core center electrode. Removable terminal. NGK copper core V-Power spark plugs...

Fits: > Ducati: 2010 Hypermotard 1100 EVO 1100cc; 2010 Hypermotard 1100 EVO S 1100cc; 2012 Hypermotard 1100 EVO SP Corse Edition 1100cc; 09-10 Monster 1100 1100cc; 2010 Monster...