This is a replacement Team Associated Plastic Gear Differential Gear Set. This set includes the necessary gears for one differential.
Wednesday, Feb 3 2021 (2 months ago)
Team Associated B64 Plastic Gear Differential Gear Set
Saves a lot of weight (I think 10 grams per diff.), not to mention rotational mass. Only time will tell on wear, but people at the track are using them for mod.