Contains a pair of Modular Spindles, steering arms and hubs assemblies for either 63-70 or 71-87 Chevrolet & GMC 2WD C10/C15 Pickups and Suburban's. Specifically designed for use with Wilwood disc Brake kits, with a 2.50" Drop for a more aggressive Stance without affecting steering geometry. Constructed from a proprietary grade of forged aluminum with an integrated Modular bearing hub assembly. Item Package Dimension: 15.0" L x 13.0" W x 13.0" H.