SuperPro Poly Anti Roll Sway Bar Bush Kit Mitsubishi Evo 1 4 5 6 Front - 23mm Also available in sizes: 14, 15, 16, 18, 20, 21, 23, 24 25.4 mmOur bushes are specifically designed to allow your suspension parts move freely, with a minimized transmission of noise and smaller vibrations through the chassis of your vehicle. SuperPro polyurethane suspension bushes are engineered like no other. They provide outstanding performance and keep components working as the manufacturer intended. More responsive steering, greater control, improved initial turn-in and better stability are just some of the benefits that have been attributed to SuperPro bushes - all without the harshness often associated with some manufacturer's polyurethane products. This is achieved through SuperPro's .