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Achieve peak performance with the NGK CR9E Spark Plugs (6263) 4-pack

water-rinsable solvent cleaner is engineered for maximum effectiveness

supplied with front under-fork or rear swing- arm cup adaptors

Trusted by riders of BMW®

NGK Standard Spark Plug - CR7EB 4663 yamaha-fzr-400-rrsp-1991-esi5934444 vertical-align:bottom} @media screen and (max-width:NGK standard spark plugs with copper cored centre electrodes for wide heat range. Copper's superior heat conductivity dissipates the heat of combustion away from the firing end, preventing hot spots that can lead to pre ignition. Copper cored electrodes also mean that longer insulator noses can be used to protect against fouling.