Looks like the pinch bolt for the shifter shaft u-joint. Bolt appears to be too long, with a stack of washers under the nut.
John
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.