This is the O.S. Speed P3 Gold High Performance Turbo Glow Plug from O.S. Engines.

FEATURES: 

24K gold plated to commemorate O.S.'s 80TH anniversary For use in off-road RC vehicle engines with turbo type cylinder head design such as the O.S. .21VZ-B V-Spec and most .18-.28 off-road

engines with turbo cylinder head Ultra hot heat range for smooth idle and fast acceleration Tapered seat mates perfectly with cylinder head for a superior seal

INCLUDES: P3 Gold High Performance Glow Plug

REQUIRES: Glow Plug Wrench