The NGK Spark Plug – LKAR8BI-9 is a NGK motorcycle part or accessory for the application identified below. The confirmed fitment, construction, package and product reference details are gathered here to help prevent an incorrect purchase.

Before ordering, compare the exact part reference, dimensions, motorcycle model and model year with the component being replaced or upgraded.

• NGK’s LKAR8BI-9 is a laser iridium plug designed for modern performance motorcycles, delivering a fine, consistent spark and a long service life
• A direct OE-quality replacement
• Fine-wire iridium centre electrode for a stable spark and excellent durability
• Heat range 8, suited to high-performance singles and twins
• 12mm thread with 1.25mm pitch, 26.5mm reach and a gasket seat
• Compact 14mm (9/16″) hex with a removable nut terminal
• Factory gap of 0.9mm verify against your model’s service
• Fine-wire design lowers the voltage needed to fire, helping starting and throttle response