Matthias, the 'spring' is for brake pad anti-rattle and snaps on. Depending on your mufflers, you may not need it ('cause you can't hear the rattle!)
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.