Fitment: Compatible with 1960-1972 Chevy Truck Material: High-quality steel with black powder-coat finish Function: Locates the rear axle, controls forward and lateral movement, and maintains proper suspension geometry under acceleration, braking, and cornering for 1960-1972 Chevy trucks Installation: Bolts to factory axle and frame brackets using hardware; no welding or cutting required Package: 2 x Rear Tubular Trailing Arm. Includes all necessary mounting hardware; installation is not included