This Kit will allow you to mount Trailing arms on your Axial Capra cage. Kit comes with a shock relocation mounts for the front and rear as well as a custom flat belly 3 gear skid to accommodate a wider stance for trailing arms and the front links for more stability at high speed. Also has a Battery relocation plate to place the battery down low for improved CG. Intended for straight axle swaps but no reason It couldn't be used with portals. Some modification to the rear of the chassis is required and the Sway Bar and Trailing arms are not included. Twin Hammers or similar length trailing arms of your choice are recommended and the ones used in the pics are found here https://www.integy.com/st_prod.html?p_prodid=40353&p_catid=405