This is the P3 glow plug for use in the OS Max .21 VZ-V spec and most other 0.18-0.28 cu in (2.9-4.6 cc) turbo head racing engines.
Includes: One P3 turbo glow plug
Requires: Glow plug wrench
Overall Length: 17mm (.67)
Thread size: M8x.75mm
Note: 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.