Tremec HD Wide Ratio
Product Discontinued
FORD PERFORMANCEPART NUMBER: 397-M-7003-R58W

Tremec HD Wide Ratio

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Transmissions
Tremec HD
  • Wide Ratio
  • 5-Speed
    Gear Ratios:
  • 1st: 3.27
  • 2nd: 1.98
  • 3rd: 1.34
  • 4th: 1.00
  • 5th: 0.68

    • Replaces M-7003-R58
    • Gear ratios: 1st 3.27; 2nd 1.98; 3rd 1.34; 4th 1.00; 5th 0.68 (Wide Ratio)
    • 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 10 spline 1.0625 and the output shaft is 31 spline
    • Requires a unique bellhousing M-6392-R58 to install in a 1979-95 Mustang
    • To fit in a 1979-1993 Mustang use M-5059-A crossmember
    • To fit in 1994-1995 Mustang, modify vehicle crossmember, lengthen driveshaft .625" and use clutch fork E6ZZ-7515-A
    • 31 spline driveshaft yoke required
    • Can be used in 4.6L applications with bellhousing M-6392-M46
    • Transmission uses Synchromesh fluid
  • Part TypeManual Transmission
    BrandFORD PERFORMANCE
    Package Height13.5
    Package Width17.5
    Package Length34.0
    Weight120.0 PG
    Part CategoryReplacement Parts
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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