This is the O.S. Engines Type F Glow Plug, and is intended for use with O.S. and other brands Four-Stroke Engines. This specially shielded long-reach plug has been designed to be used with four stroke engines. The shield keeps the plug hot for lower idle RPM.
NOTE: Use with fuels containing 5-15% nitro content.
This product is expected to become available for purchase on Sunday, December 21, 2025
Randy Cox Verified Owner Wednesday, Oct 7 2020 (about 4 years ago) O.S. Type F Standard Glow Plug “Medium” Used in a Magnum 52 4 stroke on 15% nitro Omaga fuel. I run a little rich but the plug did well. Started to get a little fouled around 1/2 gallon of fuel but still ran. Put a new one in and bam back to good idle. I dont have a ton of time and experience with others, so take with a gain OS sand. View all reviews
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