Quick view UMI Performance UMI Performance 78-88 GM G-Body C5/C6 Front Brake Conversion Hubs Bearings Bracket Kit - 304647 Compare $579.99 Requirements: C5 brakes require a minimum of a 17” wheel for clearance while C6 requires an 18”wheel. Please research wheel fitment before purchasing.Installation InstructionsInstallation Instructions Add to Cart Add to Cart