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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.
Medium heat range plug for most model engine applications.
Plug is medium length, without idle bar. For all 2 stroke engines.
One glow plug and one brass washer
Threads on the plug are 1/4-32.
This is the #10 (A5) Glow Plug from O.S. Engines.
Medium-cold heat range plug that is ideal for aircraft glow engines
.60 cu in (9.8cc) and larger
#10 (formerly A5) glow plug with brass gasket
This is the O.S. #7 Medium Hot Glow Plug for 2-Stroke Engines.
Slightly hotter heat range than the O.S. #8 plug
Newly developed to focus on easier running at low and medium speeds
Ideal for helicopter engines with superior performance around
hovering RPM range-critical for smooth and powerful 3D and F3C
Also great all around plug for most 2-stroke airplane, helicopter and
car (except turbo head) engines
O.S. #7 Medium Hot Glow Plug with gasket
The O.S. #6 (A3) glow plug is similiar to the #8 plug only more economical.
Hot heat range plug for most model engine applications.
Works well in any two stroke engine from .10-size to .60
Thick, solid platinum coil resists meltdowns and premature failure
Coil holds sufficient heat for a smooth idle
Finest glow plug in the economy price range
No Idle Bar
One OS #6 (formerly A3) glow plug
One glow plug ring
Ideal for .15 through .28 engines for sport and competition
Made for medium nitro fuels, 20 - 25% nitro
Platinum Iridiun Element
Superior throttle response
Developed for use in Dynamite, Losi and Traxxas engines