You will need to machine a hole in each of your caliper castings to mount a fixed bracket with a bolt of your choice. You get four brackets and two springs, you will not be receiving anything else with this kit.
NOS 1966-69 Oldsmobile Toronado 1967-70 Cadillac Eldorado Rear Brake Cylinder
1985 Eldorado Toronado Riviera brake rear caliper rear disc brake conversion
A-Premium Pair Rear Brake Calipers w/ Steel Piston for Cadillac Eldorado 76- 78
2x Rear LH & RH Brake Caliper for Buick Riviera Cadillac Eldorado Olds 1979-1985
Bruin Brake Cable 92671 Rear Left or Right Cadillac Olds fits 71-74 Eldorado
1992-2002 Cadillac ELDORADO Brake Pressure Proportioning Valve REAR USED OEM
