66-69 4 Piston brake caliper rebuild questions….

This for my 68 Coronet but since Ma' Mopar used the same basic 4 piston calipers on A/B/C-body cars, just different manufacturers I'm hoping someone may have some advice...

Finally got my reseal kits for my brake calipers on my Coronet. Got the calipers off the car and pulled apart and have been cleaning them and noticed that the pistons have some pitting and corrosion where the seals will sit and I feel that this will allow some seepage to happen past the seals.

Pics of pistons...Fresh...

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