Ford T5 World Class 5-Speed Transmission 1st Gear This Cluster fits Various 1994-01 Ford V6 Mustangs Also used in the Ford 1985-95 V8 Mustang 1988-92 Tooth Count 34 The T5 Transmission will be cast 13-52. Please identify what you have! Non World Class units have all brass synchro rings. That is not what we are selling here! World Class transmissions have fiber lined synchro rings for all the synchro rings except 5th. This 1st gear is for the World Class type. If you need anything else for your T5 rebuild; Complete Rebuild kit, Gears, spring and keys please see our store.