Lofoten, there are two lengths, about 3" different. The part that bolts to the seat base is all the same; its the part that bolts to the floor that varies. Some have the plastic adjuster knobs, some not but very similar Toyota knobs from the '80s screw right on. Larry Stock at <larrys@panteraparts.com> in Nevada, USA has both sizes available- email him for details.
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.