O.S. Engine - Glow Plug #6 A3 Hot   [OSMG2690]

FEATURES:
Hot heat range plug for most model engine applications.
Is useful in every two stroke motor from .10-size to .60
Thick, solid platinum coil resists meltdowns and untimely failure
Coil holds enough heat for a smooth idle
Finest radiance plug in the economy price range
No Idle Bar

How to Choose the Right Glow Plug? Please refer to the following link.
http://www.osengines.com/accys/choosing-glowplugs.html