Wouldn't this be easier?
https://www.californiadatsun.com/exterior-trim-accessories/240z-tail-light-bezels.html
It would be if he was getting the light clusters done but he's not, its the chrome plastic strip on the Door Cards.
Just thought i'd revive this post as i have recently had the chrome strips alond the door cards refurbished by a company www.chromespray.co.uk
The finish was very good and looks just like the rest of the chrome in the car. The only down side was there communication skills but I was happy with the result and would recommend them on that
Wouldn't this be easier?
https://www.californiadatsun.com/exterior-trim-accessories/240z-tail-light-bezels.html