PR Racing 66480756 Chassis Brass Weight- Our new in-line Chassis Weights are produced with machined Brass and key's into the center of the PRS1 2wd Buggy Chassis. Each Chassis weight is 23g and produces a lower more stable center of gravity for necessary applications. Recommended for high speed tracks and modified racing, these new chassis weights will be sure to lock in your PRS1 2wd buggy in for an ultimate racing experience! Available through PR Racing Distributors Worldwide.