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
