I have the old brass set from under my car. They never leaked and worked fine... You can have them for 20 bucks, if you have a US shipping address...
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.