This is a replacement Serpent 10T Pinion Gear, and is intended for use with the Serpent S811 Cobra 1/8 buggy. This is the pinion gear that is attached to the SER600196 coupler in the front or rear position and is driven by the center drive shafts, transferring the rotational force created by the engine to the front or rear differential.
This product was added to our catalog on June 7, 2010