This is my XB4’s option set. Everything is like new except the 14 mm wheel hubs that are 100% usable but have some wear. including: front Springs 2dot & 4dot, rear Springs 3dot, sway bars 2x 1.6 & 1.8 & 2.0, 81teeth spur gear for clutch, central differential with 81 spur gear, 3x stainless steel differential gear set, aluminum shock spring holders, aluminum clutch differential holder, Aluminum 12 degrees Ackerman set, 14mm wheel hubs, 2x carbon differential pinion & coron, aluminum chassis protection