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

FEATURES:

• Very hot plug for turbo cylinder mind machines such as the O.S .21
• VZ-B V-Spec and a lot of .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, additionally ideal when outside temperature is high

SPECS:

General Length: 17mm (0.67")

COMMENTARY:

This radiance plug is significantly diffent from conventional radiance plug. It's made to fit the internal head of engines with a turbo-type cylinder head design

How to Choose the best Glow Plug? Please make reference to these website link.
http://www.osengines.com/accys/choosing-glowplugs.html