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OS # No7 Glow Plug(medium heat)
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
For 2-stroke airplane, helicopter and car (except Turbo head) engines. Offers stable idling, broad peak needle settings and punchy throttle response
Includes
O.S. #7 Medium Hot Glow Plug
One brass washer
Specs
Plug is medium length, without idle bar. One glow plug and one brass washer. Plug threads 1/4-32.
