Adds structural support to the rear of the chassis

so swap in a new one at rebuild time and keep your acceleration crisp

Diameter: 6

This is the Factory Team Diff Fluid from Associated

Kyosho UM772 RB7SS Aluminum VVC Universal Swing Shaft Set (2) (64mm) Ascent-18 Parts Adds structural support to theKyosho UM772 RB7SS Aluminum VVC Universal Swing Shaft Set (2) (64mm) The Kyosho UM772 is an aluminum VVC universal swing shaft set measuring 64mm, designed for the RB7SS, sold as a pack of 2. These upgraded metal shafts add strength and durability for reliable power transfer. Part number: UM772 Material: Aluminum, VVC Length: 64mm Quantity: 2 Fits: RB7SS