– O.S. Engine Glow Plug #8 Medium

The O.S. #8 glow plug is the most widely used O.S. glow plug.
Recommended for most current O.S. (and other brands of) 2-stroke R/C engines.

FEATURES:

• Medium heat range plug for most model engine applications.
• Plug is medium length, without idle bar. For all 2 stroke engines.

SPECS:

Threads on the plug are 1/4-32.

COMMENTS:
Other OS Glow Plugs include: R5 OSMG2694 Coolest
A5 OSMG2693 Med Cool
#8 OSMG2691 Med Hot
A3 OSMG2690 Hottest

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