O.S. P3 Turbo Glow Plug "Ultra Hot"

[OSM71641300]
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This is the O.S. P3 "Ultra Hot" Turbo Glow Plug. Choosing the right glow plug is critical for peak engine performance and there are a number of different factors that will determine which plug you should use. Engine type, air–fuel mix, nitro percentage, and even air temperature are things that must be taken into consideration. What's more, the ideal glow plug choice will change as conditions change. Keeping a range of glow plugs on hand will help you fine–tune glow heat and enjoy maximum performance in all conditions.

Generally, Hot plugs promote better idling and acceleration. If your engine runs rough or accelerates sluggishly, a hotter plug will help. Cold plugs produce more power and may improve performance if your engine runs hot. The downside is rougher idling and more difficulty in tuning.

Some other things to keep in mind are:

  • The smaller the engine, the hotter the plug.
  • The higher the nitro content, the colder the plug.
  • The hotter the day, the colder the plug.

Model Heat Range Description
P5 Very Hot
For V-Spec and most .18-.28 off-road racing Turbo head engines, especially when the temperature is high or for leaner needle settings and high-nitro/high-rpm running
P4 Super Hot
For V-Spec and most .18-.28 off-road racing Turbo head engines
P3 Ultra Hot For V-Spec and most .18-.28 off-road racing Turbo head engines

This product was added to our catalog on April 13, 2006.

Spencer Wass
Verified Owner
Use these plugs all the time and they seem to work great. They survive engine break-in and will keep going for a few gallons in some instances. As with any plug it only takes a very small impurity to damage the element.
Dan S.
lot of ppl fun this plug and its ok and all butt i had one that lasted me a week whats up with that LOL!!

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