NGK Standard Spark Plug - ER9EH 5869 derbi-senda-r-50-x-treme-2011-esi1754648 liner and/or visor

liner and/or visor

Upgrade to the NGK BR8ES 4-pack and experience the thrill of unleashed power

Stability on the thigh and calf is guaranteed by the silicone inserts on both elastic bands

Achieve cleaner combustion

NGK Standard Spark Plug - ER9EH 5869 derbi-senda-r-50-x-treme-2011-esi1754648 liner and/or visorNGK 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.