Traxxas Backplate, 20x1.4mm, O-Ring

Backplate/20x1.4mm O-ring (for engines w/o starter) (TRX 2.5, 2.5R, 3.3). The aluminum backplate replaces the EZ-Start drive unit on the TRX 2.5, TRX 2.5R, and TRX 3.3 Racing Engines.

Please ensure compatability with your model before purchasing.