This is an FYI post!
Here is a shot of another early dash one-ish synchro ring compared to mine. Unknown is on the left, mine on the right.
While it fits the gear relatively OK, it will not fit the hub...so something changed...... The width is different, and the three rectangular/square bobs on it are also smaller. The fact that it has the extra teeth around the outer ring is interesting, but apparently not needed in the later(?) or other design.
Steve
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.