NGK Racing Spark Plug - R0451B-8 induction hardened SPCC steel with

induction hardened SPCC steel with internal clearances particularly suitable to off road racing use (high shocks and loads)

Pack Size:ea

All Balls repair kits are worlwide known for their performance and reliability

So our R&D team went to work to optimize the new Yamaha

with a 2mm tube ø28

NGK Racing Spark Plug - R0451B-8 induction hardened SPCC steel withThe Racing Spark Plug intended for competition should be able to resist to extreme conditions: Repeated acceleration and deceleration with power Intensive engine operating at high rev. Extreme condition inside combustion chamber such as temperature variation, pressure, vibration and turbulences cannot be sustained by a standard spark plug.