The NGK Lawnmower Spark Plug BKR5ES is a high-quality component engineered with the latest technology to deliver optimal performance across the lawnmower’s entire rev range. It features a special nickel alloy electrode tip for superior heat resistance and durability, along with a state-of-the-art high alumina ceramic insulator that ensures reliable sparking. The copper-core central electrode efficiently dissipates heat to prevent overheating and fouling, while the solid, gas-tight construction and specially formulated bonding powders provide added strength and reliability. Developed through extensive research and testing, this spark plug is part of NGK’s range designed specifically for the horticultural market and is compatible with a wide variety of manufacturers.