installation is usually possible but with some modification

Over-sized adjustment knob is available separately

Ring terminals for direct connection to motorcycle's battery

Comes in pairs

Trials inspired center tread design for the best possible traction

NGK - Laser Iridium Spark Plug for Honda CB50 & CBR929/1100 (IMR9A-9H) Option:IMR9A-9H installation is usually possible butLaser welded Platinum or Iridium center electrode tip Platinum disc welded to backside of ground electrode provides long life Trivalent Metal Plating provides superior anti corrosion and anti seizing properties Faster starts and quicker acceleration Better fuel economy and lower emissions Best spark plug available in their category Original Equipment Manufacturer approved design