Our 1958-64 Chevy Impala, Belair, Biscayne Power Disc Brake Conversion Kit with 2″ Drop Spindle kits are one of the hottest sellers on the market! Built to precise specifications, these disc brake kits will improve your 60 to 0 foot stopping distances and improve driver performance. These systems not only upgrade your 1958-64 Chevy Impala to discs, they also lower the vehicle a full 2″ without affecting steering geometry.