This is the New 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 type flight.
Also great all around plug for most 2-stroke airplane, helicopter and car (except turbo head) engines
INCLUDES: A No 7 glow plug and washer
SPECS: Threads on the plug are 1/4-32.
Other OS Glow Plugs include:
R5 OSMG2694 Coolest
A5 OSMG2693 Med Cool
#8 OSMG2691 Med
A3 OSMG2690 Hottest
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