Elevate your RC modeling experience with these premium O.S. #8 glow plugs, sold in a convenient pack of three. These medium-heat range plugs are designed for optimal performance in most 2-stroke RC engines, making them a versatile choice for hobbyists. Each plug comes individually sealed in original retail packaging, ensuring quality and authenticity. Perfect for fixed-wing aircraft, RC helicopters, and compatible 1/8 scale RC cars, these plugs are specifically engineered to work with various O.S. engine models including 12/15CV, 15LD, 21RG, and 21RZ-V 01b. The medium-length design without an idle bar provides reliable ignition and consistent performance. As the most widely used O.S. glow plug variant, it's become a trusted standard in the RC community. These plugs are essential components for nitro fuel engines, helping maintain proper combustion and engine operation. Keep your RC vehicles running smoothly with these high-quality replacement glow plugs.