O.S. Engine - Glow Plug #P3 (Turbo) Ultra Hot  [OSMG2699]

This is the P3 Glow Plug to be used inside OS Max .21 VZ-V Spec and a lot of
other .18 -.28 cu in (2.9 - 4.6 cc) turbo mind racing engines.

FEATURES:

Ultra Hot Type Plug, designed for dependable low rate and much more torque
at acceleration, ideal for 20per cent nitro fuel
well suited for novice motorists, enables easy begins and better idling


SPECS:

Overall Length: 17mm (.67")
Thread size: M8x.75mm


RATINGS:

This radiance plug differs from mainstream radiance plug. Its
built to fit the interior head of machines with a turbo-type cylinder
mind design

How to pick top Glow Plug? Please make reference to another url.
http://www.osengines.com/accys/choosing-glowplugs.html