Aluminum reduced suspension system holder for the BACKSIDE regarding the back suspension redesigned along with the HS bulkheads for an expanded array of set-up changes. The wider suspension holders boost the stability of this vehicle. Appropriate all track conditions. Must be used together as a collection of LARGE Rear-Rear (RR) and WIDE Rear-Front (RF). The trunk suspension holders enable installation in upright or inverted orientations, causing additional roll center locations for the inner hinge pins. The downward orientation of suspension system holder is used mainly for Dirt songs. The upward orientation regarding the suspension system holder is employed primarily for Carpet tracks. The suspension system holders allow usage of both long or standard suspension system supply designs. Machined from premium Swiss 7075 T6 aluminum and black colored coated.