Pretty much every GM car and truck from 68-mid 90s. The 71-87 1/2 ton trucks have D52 calipers with a 2 15/16" piston. The 3/4 and 1 ton trucks had a larger 3 1/8"(or somewhere close to that) piston.
Wilwood offers a
dual piston caliper that has the same dimensions as a standard D52.