1955 - 1957 Chevy disc brake conversion kit
From Heidts Hot Rod Shop

Here is the perfect and most cost efficient way to add front disc brakes to a drum brake car. This kit is made for the factory spindle. This kit includes new single piston calipers, 11" vented rotors, flex lines, Brake line frame adapters, caliper brackets, dust caps, cotter pins, bearings, bearing seals, banjo fittings and all mounting hardware. There are also comprehensive instructions included.
* When changing to disc brakes you will probably need a new master cylinder.
* Does not include spindles shown in picture