KH caliper pistons

Those say they are for Mustangs if you click the check fit.

These fit -> https://www.napaonline.com/en/searc...s-and-hardware/brake-caliper-piston/201580444 -Edit- I rechecked the link and they show out of stock now. They were in stock when I looked earlier.

But at that price, I'd buy (and did) the rebuilt calipers off of rock auto.
https://www.rockauto.com/en/catalog...cid+v8,1329083,brake+&+wheel+hub,caliper,1704