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
Tower Hobbies Has Been Serving Hobbyists Since 1971 • Call 800-637-6050 or 217-398-3636
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