The NGK SPARK PLUGS BPR8ES SOL (Part Number 95521) is engineered for optimal engine performance and durability. Featuring a trivalent metal plating, this spark plug offers superior anti-corrosion and anti-seizing properties, extending its service life and reducing maintenance needs. The durable ceramic insulator, made from high-quality alumina silicate, provides excellent strength and enhanced heat transfer, ensuring reliable ignition in various operating conditions. A copper core enhances thermal conductivity, aiding in efficient heat removal to prevent overheating and improve engine response. Designed with corrugated ribs, this spark plug effectively prevents flashover, ensuring stable ignition and consistent engine operation. Triple seals further prevent leakage, maintaining optimal compression and preventing debris or moisture ingress. Suitable for a wide range of small engines and vehicles, the NGK BPR8ES SOL combines advanced materials and innovative design features to deliver reliable performance and long-lasting durability. Whether replacing worn-out plugs or upgrading your ignition system, this spark plug is a dependable choice for high-performance applications. Features: * Trivalent metal plating for corrosion and seizing resistance * Corrugated ribs prevent flashover for stable ignition * Pure alumina silicate ceramic insulator for strength and heat transfer * Copper core enhances heat removal and engine response * Triple seals prevent leakage and ensure sealing integrity