Heavy-duty "World Class" T-5 5-speed manual transmission with short throw shifter 1979-1993 Mustang V8 only Heavy-duty "World Class" T-5 5-speed manual transmission with short throw shifter 300 ft./lbs. torque capacity Gear ratios: 1st 2.95; 2nd 1.94; 3rd 1.34; 4th 1.00; 5th 0.63 Double moly 2nd speed, 3rd speed and countershaft cluster gears Carbon fiber 3-4 blocker rings Improved synchronizers and bearings 1-1/16-inch diameter 10 spline input shaft 28 spline output shaft 7 tooth speedometer drive gear Cobra style pocket bearing Steel input bearing retainer Transmission uses Mercon fluid or Dextron 3