Traxxas Primary Gears T-Maxx. This is the replacement primary gear set for the Traxxas T-Maxx 4WD Radio Control Monster Truck. This gear set is installed on the primary gear shaft in the transmission. Replaces damaged or worn primary gears. Constructed of plastic.INCLUDED: One 28 tooth forward and one 22 tooth reverse gear
One 2x9.8mm steel drive pin
One 5x10x0.5mm Teflon washer
Requires:
Diassembly of gearbox and installing primary gears on to primary gear shaft.