This is the O.S. Max LC3 Hot Glow Plug, designed for use in .12-.15 and .18 size engines used in monster trucks such as the original and newer 2.5 Traxxas T-Maxx.
**NOT for use with the Traxxas 2.5R Racing Engine.**
Includes: One O.S. Max LC3 Hot Glow Plug with brass washer