This is the Traxxas Center Differential Kit for the Revo.
FEATURES: Direct drop-in for the Revo 3.3, standard chassis Revos require the
Accessory Rear Output Shaft, TRAC9416
Transfers power to the front and rear differentials independently
Sealed center differential is adjustable using various oil
Comes fully assembled with 100K oil
INCLUDES: Traxxas Center Differential Kit for the Revo with forward-only
COMMENTS: Designed for use with rear brake kit (TRAC9417).