1955-57 Chevt Belair sway bar kits are designed to minimize body roll, understeer and oversteer when cornering, resulting in improved vehicle handling and control. Our sway bars offer all of the above without affecting your ride quality. Kit includes: • 1" Diameter Front Sway Bar • 7/8" Diameter Rear Sway Bar • Poly Urethane Bushings • All mounting hardware. Product fits: 1955, 56, 57 Chevrolet Belair, 210 and 150 fullsize sedan cars.