This is the P4 Turbo Glow Plug for use
in the OS Max .21VZ-B VSPEC and .21VZ-B Speed Tuned Engines.
FEATURES: For use with fuel containing 25% or greater nitromethane content
Also works well in most .18 - .28 cu in (2.9 - 4.6 cc) off road
racing engines with turbo type racing heads
INCLUDES: One glow plug
REQUIRES: Glow plug wrench, HCAP2550
SPECS: Overall Length: 17mm (.67")
Thread size: M8x.75mm
COMMENTS: This glow plug is different from the conventional glow plug.
It has a slight taper on the bottom allowing it to sit flush
with the combustion chamber.
updt jxs 3/30/09