This is a replacement XRAY 5mm Front-Front Aluminum Suspension Holder, and is intended for use with the XRAY XB4 1/10 scale 4WD buggy. This suspension holder is made from Swiss 7075-T6 aluminum and provides a great range of adjustment for the front suspension. Using different combinations of eccentric bushings, fine adjustment of front kick-up, roll-center and front track-width can be obtained.