Glow plug, super-duty (long-medium)/gasket
Traxxas glow plugs are the only plugs we recommend running in our engines. This glow plug is a direct replacement in TRX 2.5, 2.5R, and 3.3 engines. Also for use in TRX Pro .15 when running in temperatures that exceed 100 degrees (F), using a high nitro content, or running higher compression.