This is the Traxxas Heavy Duty Long Glowplug 3231 .

FEATURES: Ideal for all Traxxas engines including the 2.5 engine used in the T-Maxx and the Pro.15 marine engine Suited for the varied throttle range of off-road racing Medium heat range, use fuel with about 10%-20% nitro content

INCLUDES: One Traxxas Medium Heat Range Heavy Duty Long Glowplug with gasket

REQUIRES: Plug wrench for installing in cylinder head