Always the correct part
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