took the disassembled calipers to a machine shop and had them bead blasted and I painted with 3 coats caliper paint and 3 coats clear coat then reassembled with parts from the caliper rebuild kit. Here's some pics of the process I went through:

Here's what I started with


After Bead Blasting at the machine shop


Carefully mask parts not to be painted


I used coat hangars to suspend the calipers for painting


After painting completed


After assembly with caliper rebuild kits installed with new pads


I also gave the rotor shield an acid bath and painted with caliper paint and clearcoat.


And final assembly back on the car...