Hot #6 (formerly A3) — trusted O.S. glow plug for .10–.60 class 2-stroke RC engines; great for airplanes & helis.
Smoother starts & idle — thick platinum coil holds heat; ideal for break-in and daily flying.
2-pack = zero downtime — swap a fresh plug at the field; keep flying when one goes out.
Cleaning cloth included — wipe fuel/oil around the head & carb before tuning for consistent performance.
Description
Everything you need for reliable flights in one pack. The O.S. #6 (A3) hot-range glow plug is the everyday favorite for .10–.60 2-stroke engines. A robust platinum coil keeps the plug hot for smooth idle and easy restarts. With two genuine plugs plus a cleaning cloth, you're ready to swap and go—no interruptions at the field. (Not for 4-stroke; choose O.S. Type F for four-strokes.)