Mopar Muscle Association UK

Ordered some parts from rockauto recently mostly good apart from caliper pistons, one correct, one about 10mm too small on diameter went through the online order problem process. Got a replacement less than a week later ....also wrong now as it happens I only need one but thought I'd replace both while I'm at it
So do I bother going through the report a problem again? Is there a contact number and what are my chances of getting the correct part seeing as the boxes seem to be labelled incorrectly

I understand there's no contact number. You'll need to go through the process again or get a refund.