3.8 moulded armrests supplier?

any supplier recommendations for the moulded armrests for 3.8 ots? do they need to be assembled or do they come ready to install?
thanks
ed

I believe SNG carries them. I restored my originals.

You can buy them new either with or without covers from XKs or SNGB. Also check OSJI and BAS interior suppliers, they will sometimes list them as an option in their kits.
https://tinyurl.com/y222pgag