Wurth has a product called SKS that is a stone guard that can be painted. It remains flexible, but it is not the bedliner type of material if anyone is looking at another option or would like to take a look.
Wurth SKS Stoneguard
Enjoy!
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.