There are silver pro parts on the marketplace, although I'm not sure if they're more aimed at converting a standard 13 to a pro:

https://frame.work/gb/en/products/laptop13pro-input-cover-ki...

https://frame.work/gb/en/products/laptop13pro-bottom-cover-k...

https://frame.work/gb/en/products/top-cover-cnc?v=FRANGKHA01 (not specifically a pro part but listed as compatible)