The OS No. 8 Glow Plug is one of the most trusted medium-heat plugs in nitro RC. Designed for stable ignition and reliable performance, it delivers smooth idling, strong throttle response, and consistent combustion across a wide range of sport engines. Ideal for everyday flying, bashing, and general nitro use, this plug is a dependable choice for keeping your engine running cleanly and efficiently.

Features

• Medium-heat glow plug for broad compatibility
• Ensures stable ignition and smooth engine performance
• Improves idle, throttle response, and overall reliability
• Suitable for most sport and general-purpose nitro engines
• Trusted OS quality for long service life

Modellers rely on the OS No. 8 for its consistency, durability, and easy tuning. It’s a go-to glow plug for dependable performance in a wide range of nitro applications.