Simply slip the front under-body frame into the adjustable catch up front

This is a genuine Traxxas GTS shock body in silver aluminum for the Traxxas TRX-4

HPI 101212 Shock Parts Set Ken Block WR8 Bullet

you will need two set of this

Axial AXI233011 Threaded Shock Body Alum HA 11x38mm (2) SCX10 III Short Course Simply slip the front under-bodyAxial AXI233011 Threaded Shock Body Alum HA 11x38mm (2) SCX10 III The Axial AXI233011 is a set of two hard anodized aluminum threaded shock bodies, 11x38mm, a genuine Axial replacement option part for the SCX10 III. Threaded aluminum construction allows ride height adjustment and stands up to repeated hard landings better than stock plastic shock bodies. Genuine Axial hard anodized aluminum shock bodies 11 x 38mm threaded sizing Set of 2 Fits Axial