O.S. Engines LC4 Glow Plug | Genuine RC Nitro Engine Plug

The O.S. Engines LC4 Glow Plug is a genuine replacement plug for compatible RC nitro engines using a standard-style glow plug. It is a dependable choice for routine maintenance, engine service, break-in, and keeping a spare on hand for race days or practice sessions.

A fresh glow plug helps support easier starting, stable idle quality, clean throttle response, and more consistent tuning. Replacing a weak or damaged plug early can save time chasing tuning issues that are really caused by poor ignition.

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