LatemodelRestoration.com carries 5 and 6 speed transmissions for your Mustang. Upgrade yours today! Needing a new manual transmission for your Mustang or maybe an upgrade? Ford Racing and Tremec are the transmissions of choice. Maybe you just need some parts for yours to make the shifts a little easier? Latemodel Restoration Supply has those too! Don't forget the popular steel bearing retainer for your T-5.