In 1993 Ford started offering a new service unit to the motorsport crowd. The "Z" spec T-5 (Ford part number 7003Z, also sometimes referred to as "World Class T-5". Most folks, associate the term "World Class" as meaning the best, however world class T-5 were introduced in 1985 as stated ealier. The T-5z is a 1993 Cobra T-5 with 2.95 first gear set and .63 over drive. It has the best of everything. Hardened gears, short throw factory shifter, steel front bearing retainer, and tapered output shaft bearing ands a seven tooth speedometer gear. Best of all it has a torque rating of 330ft/lbs based on 100,000 mile usage. The stock T-5Z can handle up to 450 hp when not drag raced.