Traxxas Front and Rear Engine Ball Bearings (TRX 2.5, 2.5R and 3.3)

This is a pack of replacement engine ball bearings for the Traxxas TRX 2.5, TRX 2.5R and TRX 3.3 engines. Included is one front ball bearing (7x17x5mm) and one rear ball bearing (12x21x5mm).