O.S. Engine - Glow Plug #P5 (Turbo) Very Hot  [OSMG2711]

FEATURES:

• Very hot plug for turbo cylinder head engines such as the O.S .21
• VZ-B V-Spec and most .18 -.28 cu in (2.9 - 4.6 cc) off-road turbo head racing engines
• Allows leaner needle settings and high-nitro/high RPM running, also ideal when outside temperature is high

SPECS:

Overall Length: 17mm (0.67")

COMMENTS:

This glow plug is different from the conventional glow plug. It is made to fit the inner head of engines with a turbo-type cylinder head design

How to Choose the Right Glow Plug? Please refer to the following link.
http://www.osengines.com/accys/choosing-glowplugs.html