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    (Close Ratio)
  • 600 lbs./ft. torque capacity
  • Gear ratios: 1st 2.87; 2nd 1.89; 3rd 1.28; 4th 1.00; 5th 0.82
  • Features improved shift forks, one-piece counter-shaft, gears made of 4615 steel which increases the torque capacity over that of the M-7003-R58 model
  • Input shaft is 26 spline and output shaft is 31 spline
  • Requires a unique bellhousing M-6392-R58 to install in a 1979-95 Mustang
  • To fit in a 1979-93 Mustang use M-5059-A crossmember
  • To fit in a 1994-95 Mustang, modify vehicle crossmember, lengthen driveshaft .625" and use clutch fork E6ZZ-7515-A
  • 31 spline driveshaft yoke required
  •  Requires unique clutch disc M-7550-T302 (10.5") designed for use with 26 spline input
  •  Can be used in 4.6L applications with bellhousing M-6392-M46 and Clutch Kit M-7560-T46 (11") 
  • Tremec recommends Synchromesh® fluid

Part Type
D-Line: Manual Trans
Warranty Availability
Not Available
Packaged Dimensions
12.75" x 17.5" x 34.25
Packaged Weight
120 lb(s)
UPC Code
Catalog Page Number
Country of Origin