88 Rear Wing Hardware
 

Does anyone know the part number or where to find the metal collars thst hold down the rear wing on an 88?

Not sure exactly what parts you need from the diagrams but I hope these pictures help. Here's the pages from the parts manual and the associated part numbers for the rear wing:

Attachment 747083

Attachment 747084

https://cimg2.ibsrv.net/gimg/www.rx7...9565e3d8d3.jpg
I've tried going through those part numbers and none seem to be this piece. This one threads into the spoiler and RS4 rotates into this to lock rear of spoiler in place.