The only option is to get the arches cut out and fabricate new in steel or cut them out and use the fibreglass R400 over arches. There are no new repair panels. You may find some cutouts from scrappers but doubtful.
Thank you for your help, I am planning to take the car to a body shop to get it professionally repaired, they were hoping a replacement panel would be available before they thought about fabricating from new metal.
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