Aluminum repaid suspension system system owner the leading regarding the back suspension system redesigned along side fresh HS bulkheads for an expanded selection of set-up changes. The trunk suspension holders enable installation in upright or inverted orientations, ultimately causing extra roll center places the interior hinge pins. The downward orientation pertaining to suspension system system owner is employed primarily for Dirt songs. The upward orientation of the suspension owner can be utilized mainly for Carpet songs. The suspension system system system holders allow using both long or standard suspension system supply designs. Machined from premium Swiss 7075 T6 aluminum and black coated. Fits XB4'21