This is a Traxxas EZ-Start 2 Replacement Motor and Pinion Gear. This is used on vehicles like the T-Maxx 2.5, 3.3, Revo 2.5, 3.3, Jato, Nitro 4-Tec, Nitro Rustler, Nitro Slash, Slayer Pro, and other vehicles using the 2.5 and 3.3 engines.
Pre-installed 10 tooth pinion gear
Motor and Pinion Gear for the Traxxas EZ Start 2 System
Installing inside EZ Start 2 case
Length with shaft: 2.35" (59mm)
Can diameter: 1.09" (28mm)