 This is the O.S. No.6 glow plug which is similiar to the #8 plug only more economical. This is a hot heat range two-stroke glow plug for all engine applications. Note that O.S. engine plugs are SHORT body plugs and should only be used in engines that require a short body plug. O.S. plugs should not be used in Novarossi, RB Concept and most other motors manufactured in Europe.
Features:
- Medium heat range plug for most model engine applications.
- Works well in any engine from .10-size to a BGX.
- Thick, solid platinum coil resists meltdowns and premature failure.
- Coil holds sufficient heat for a smooth idle.
- Finest glow plug in the economy price range.
- No Idle Bar
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 |
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