Hefty weight upper clamps improve durability in hard crashes and accommodate the inner shock mounting system. The top clamps use caster inserts for quick and easy set-up changes, whilst having centering pins for accurate installation and improved crash reliability. The screws installed through base with this caster inserts capture the inserts in top clamps to secure the inserts while servicing the car. The screws moreover behave as the surface of the hands pivot ball mounts, reducing the amount of elements to the create and reducing fat. The top of clamps and caster inserts are produced from premium Swiss 7075 T6 aluminum and black colored colored colored anodized.