Wayne,
These used to be stupid expensive from the vendors, but their pricing is down quite a bit.
I'd call one or two of them and then do the comparison bit versus Powertrain.
Larry
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.