The OS R5 Glow Plug is a high-performance cold plug designed specifically for turbo-head engines used in competitive car racing. Built for extreme RPM and demanding track conditions, the R5 provides stable ignition, crisp throttle response, and consistent top-end power. Its cold heat range helps control combustion temperatures, making it ideal for high-nitro fuels and tuned race engines that run hot. Perfect for racers who want dependable performance lap after lap.

Features

• Cold heat range glow plug for turbo-style engines
• Optimised for high-RPM racing performance
• Provides stable ignition under extreme temperatures
• Enhances throttle response and top-end consistency
• Ideal for competitive on-road and off-road nitro racing

Racers choose the OS R5 for its reliability in high-stress environments and its ability to maintain smooth, powerful engine performance throughout a run. It's a trusted plug for serious competition use.