O.S. P4 Turbo Plug Super Hot Off-RoadTower Stock# OSMG2697 • Manufacturer Stock# 71641400
in the OS Max .21VZ-B VSPEC and .21VZ-B Speed Tuned Engines.
For use with fuel containing 25% or greater nitromethane content
One glow plug
Glow plug wrench, HCAP2550
Overall Length: 17mm (.67")
This glow plug is different from the conventional glow plug.