This is a optional Tamiya TRF801 Clutch Spring Set, and is intended for use with the Tamiya TRF801Xt and TRF801X 1/8 off road vehicles. This set includes a set of soft, medium, and hard rate springs, and will allow you to tune the clutch engagement point to suit a variety of track conditions.
This product was added to our catalog on March 9, 2010