RPM Racing Engines


Part Number: M-7003-R58H | $2,400.00

  • Technical Notes
    • Close ratio 1st through 4th
    • 600 lbs./ft. torque capacity
    • Gear ratios: 1st 2.87; 2nd 1.90; 3rd 1.34; 4th 1.00; 5th 0.68
    • 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
    • For 1979-93 Mustang applications use M-5059-A crossmember (79-81 will require modification)
    • For 1979-93 Mustang applications use 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

  • Specs:
    • Engine weight: 130 lbs

Ford Transmissions by RPM Racing Engines - Part Number M-7003-R58CM-7003-R58C

MSRP: $2,940.00

RPM Price: $2,400.00
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  • Made In The USA

  • This part has been designed and is intended for off-highway application only. Installation of this part on a vehicle that is driven on public roads may violate U.S. and Canadian laws and regulations relating to emission requirements and motor vehicle safety standards.