NGK spark plugs: high quality at a reasonable price, since NGK provides OEM items for the Japanese motorcycle industry.
You may also be interested in the following product(s)
NGKspark plug for 14mm SB05F straight 94mm
Baas BikepartsSilicon ignition cable black (1 meter)
NGKignition cable connector 8739 J1 black
Hi-Q Toolsspark plug wrench for 18/21mm, 150mm
BGSWire brush (set of 3)