How about these?
http://www.tirerack.com/tires/...GCID=C13674x012-tire
or
http://www.tiresdirect.net/TOY...KF1LQCFcaDQgodPC4AzA
or
http://www.discounttiredirect....e&cs=225&ar=50&rd=15
I used the google search term 225/50/15 to get this info.
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.