Converted front manual drums to manual discs (rear mounted calipers)on a 68 b-body.

Spindles - 73-76 A body
Master cylinder - 73-76 A body
11.75 Rotors - 76-78 B body or 79-81 R body
Pin Calipers - 70 - 72 B / E body
Hoses - 1979 Diplomat or 76-79 Aspen

Cars stops like it has power disc brakes!