Taken from a new Traxxas RC car. Includes everything that's in the official upgrade kit (second picture) apart from body posts. Also includes plastic steering/toe and camber linkages.

Fits all the Traxxas 1/10 4x4 cars including Slash 4x4, Stampede 4x4, Rustler 4x4, Hoss. Not all parts fit Rally 1/10, Telluride due to those models using narrower arms.

The Extreme Heavy Duty Upgrade Kit features upgraded nylon reinforced heavy duty plastic parts giving a massive durability upgrade, plus new oversized hubs (fits 2.8 inch wheels and above only) and Maxx spec oversize driveshafts originally designed for use on the significantly heavier 4s LiPo powered Maxx, plus oversize bearings. 

A set of metal 12mm hexes are also included. The shock towers are the new clipless design to support clipless shells on the Rustler 4x4, Stampede 4x4 and Hoss (slash requires some additional clipless body posts available separately for a clipless conversion)