Spark plug wrench 18mm for BMW G 650 GS | Motorcycle Accessory Hornig
Wrench - Spark Plug - 18mm Hex - OEM - Honda | Vintage DIY Motorcycle Parts | Dime City Cycles
Set of slim thin wall Spark Plug Sockets 3/8 Drive 5pc 14mm 16mm 18mm 19mm 21mm | eBay
Amazon.com: OEMTOOLS 22881 18 mm 3/8 Inch Drive Magnetic Spark Plug Socket, Works on Vintage and Modern Passenger Vehicles with 18 mm Spark Plugs, 2.5 Inches Deep, Strong Magnet Keeps Spark Plug
Motion Pro 18mm Pro Plug Socket Tool - 08-0650 Dirt Bike Motorcycle Snowmobile - Dennis Kirk
TRIUMPH NORTON BSA MAGNETIC SPARK PLUG SOCKET SET 5-8 / 16MM, 18MM,13-16 / 21MM PN# TBS-15-1952