O.S. Engine - Glow Plug #RP6 (Turbo) Medium  [OSMG2703]

CHARACTERISTICS:

• T-series radiance plugs are ideal for rushing car engines that induce high RPM
• For .12, .15 and .21 size turbo head on-road battle engines
• Ideal plug for cool outside temperatures

REMARKS:

This radiance plug differs from old-fashioned glow plug. Its built to fit the inner head of engines with a turbo-type cylinder brain design

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