The stock Cleveland valve cover caps fit those valve covers just fine. The caps use a PCV valve on one cap and a vent line to the air cleaner on the other cap. Like always all the details are here just a click away http://www.panteraplace.com/page226.htm
Mike
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.