Ngk 91360 Iridium IX Spark Plug - MR8BI-8 electrical-lights-accessories-extension-harness 2001-2002 Harley Davidson FXSTSI Springer

2001-2002 Harley Davidson FXSTSI Springer Softail

1986-2002 Kawasaki EX250F Ninja 250R

1993 KTM 500 MX

2010-2011 Yamaha YZ85

1972 Moto-Ski Grand Prix 340

Ngk 91360 Iridium IX Spark Plug - MR8BI-8 electrical-lights-accessories-extension-harness 2001-2002 Harley Davidson FXSTSI SpringerSpark Plug Code: MR8BI 8 The ultimate in the evolution of spark plug technology and performance from the industry leader. The iridium electrode is 25% smaller than a platinum electrode, and its just 1 4 the size of a conventional nickel electrode. Ultra small diameter center electrode reduces voltage requirement and extends ignition system life. New metal shell plating has enhanced anticorrosion qualities.