O.S. No.80 Short Body Gold Limited Edition Standard Glow Plug "Medium"

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The O.S. No.80 Short Body Gold Limited Edition Standard Glow Plug is a 24K gold-plated version of the popular #8 plug, produced in honor of O.S.'s 80th anniversary. This plug is only available for a limited time!


  • Medium heat range plug for most model engine applications.
  • Plug is medium length, without idle bar.
  • For all 2 stroke engines.
See the O.S. glow plug chart below to compare the different short body standard glow plugs available for O.S. engines:

Model Heat Range Description
No.6 Hot Formerly known as the OS A3 plug. This hot plug will provide a more stable idle and crisp acceleration when compared to a cold plug. This plug is recommended for low nitro content fuels and .12 class engines.
No.7 Medium Hot Slightly "hotter" than the #8 and ideal for the constant "on/off" throttle action in 1/10 and 1/8 scale racing.
No.8 Medium A medium heat range plug for 1/8 scale racing and most .12-21 car, boat and truck engines.
No.10 Cold Formerly known as the OS A5 plug. This is now rated as a cold plug and is recommended for high nitro content fuel. This cold plug will produce the most power, but will provide a less stable idle and a narrow tuning window

This product was added to our catalog on August 11, 2016.