High-performance industrial spark plug RB77WPC/RB77CC designed for gas generators, ensuring reliable ignition and extended durability. Precision-engineered with a copper core electrode and corrosion-resistant nickel alloy shell for optimal heat dissipation and longevity. Features a triple-seal gasket design to prevent gas leakage under extreme pressure conditions. Ideal for commercial generators, construction equipment, and backup power systems in harsh environments. Direct OEM replacement part meeting strict industry standards for ignition performance. Ceramic insulator withstands temperatures up to 1,500°F for consistent spark delivery. Compatible with major gas generator brands including Generac, Kohler, and Briggs & Stratton.