Aluminum lower suspension owner the FRONT of the rear suspension redesigned along with the brand new HS bulkheads for an expanded selection of set-up modifications. The rear suspension system holders enable installation in upright or inverted orientations, causing additional roll center places for the internal hinge pins. The downward orientation of suspension system holder is used primarily for Dirt songs. The upward orientation of this suspension owner can be used primarily for Carpet tracks. The suspension holders allow utilization of both the long or standard suspension supply configurations. Machined from premium Swiss 7075 T6 aluminum and black colored coated. Fits XB4'21
