The Weapon R X-Cross Strut Bar was designed to eliminate body roll. Made of Billet 7075 Aluminum to ensure strength, weight savings and durability. This Rear Strut Bar ties all the most rigid points of the car together to obtain a rigid chassis. Strut mounts are CNC Machined and then TIG Welded for strength and finally Polished to a show quality shine. So if you're heavily into Road Racing or Drag Racing this is the only Strut Bar you will ever need!