Kit was designed to extend the Electric version cars but also works well on Nitro for a much wider stance.
Increases stability, reduces the chance of roll overs.
Fits Electric Rustler and Stampede as a wide width upgrade and extends the nitro Rustler and Stampede.
Concerning camber links. Many different otions are availble. If you have a standard version you can get the VXL version rod ends to accomplish the same thing as longer links.
To get some accurate measurements and application specifics refer to your r/c section in this website.
Front arm pin to pin dimension: 78.1mm and 82.55mm
Rear arm pin to pin dimension: 101.6mm