This is the Front and Rear Ball Bearing set for the Traxxas 2.5/3.3 nitro engine. 5223
FEATURES: Steel Construction
INCLUDES: One Front Bearing One Rear Bearing
REQUIRES: None, item is a stock replacment part
SPECS:
Front Bearing: 7mm x 17mm (5mm thick)
Rear Bearing: 12mm x 21mm (5mm thick)