NGK MAR8AI-10DS / 92997 Iridium Spark Plug Petrol Ignition Replaces 12128396344

NGK MAR8AI-10DS / 92997 Iridium Spark Plug Petrol Ignition Replaces 12128396344 Fits BMW R18 Cruiser, AdventureWith the smallest tip diameter available, OE Iridium spark plugs provide superior ignitability and long service life. The iridium/platinum surfaces ensure a slow wear rate, providing stable idle and superior anti-fouling. Laser-welded iridium center electrode tip Platinum disc welded to backside of ground electrode provides long life Trivalent metal plating for superior anti-corrosion and anti-seizing Faster starts and quicker acceleration Better fuel economy and lower emissions Best OEM Iridium spark plug available