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  1. Tremec T56 Magnum 6 Speed Transmission (2.66 1st Gear)
    $3,545.00



    The aftermarket's premier 6-speed performance manual transmission
    700 lb-ft. of torque capacity
    Reasonably light at 135 lbs. dry
    Multiple shifter locations & dual speedo pickups for unmatched versatility
    Choice of two different gear ratio sets (2.66 or 2.97), with unique double overdrive ratios
    Incredibly short, extremely low-effort shift throws, with crisp, precise engagement
    Modern OE supercar technology for the ultimate pro-tourers, road-racers, and more.

    Ford TUET11010
    Engine: Modular
    Torque Capacity: 700
    Includes Clutch Housing: No
    Clutch Type: Mech
    Speedo Type: Mech/Elec
    Input Shaft Spline: 26
    Output Shaft Spline: 31
    First Gear Ratio: 2.66
    2nd Gear Ratio: 1.78
    3rd Gear Ratio: 1.30
    4th Gear Ratio: 1.00
    5th Gear Ratio: .80
    6th Gear Ratio: .63
    Reverse: 2.90
    Learn More
  2. Tremec T56 Magnum 6 Speed Transmission (2.97 1st Gear)
    $3,545.00



    The aftermarket's premier 6-speed performance manual transmission
    700 lb-ft. of torque capacity
    Reasonably light at 135 lbs. dry
    Multiple shifter locations & dual speedo pickups for unmatched versatility
    Choice of two different gear ratio sets (2.66 or 2.97), with unique double overdrive ratios
    Incredibly short, extremely low-effort shift throws, with crisp, precise engagement
    Modern OE supercar technology for the ultimate pro-tourers, road-racers, and more.

    Ford TUET11011
    Engine: Modular
    Torque Capacity: 700
    Includes Clutch Housing: No
    Clutch Type: Mech
    Speedo Type: Mech/Elec
    Input Shaft Spline: 26
    Output Shaft Spline: 31
    First Gear Ratio: 2.97
    2nd Gear Ratio: 2.10
    3rd Gear Ratio: 1.46
    4th Gear Ratio: 1.00
    5th Gear Ratio: .80
    6th Gear Ratio: .63
    Reverse: 2.90
    Learn More
  3. Tremec TKX Transmission for Ford Applications (10 Spline) - TCET18086
    $2,895.00

    ‌Gears: TCEE18030 - 36 teeth, 3.27 TCEE17783 - 32 teeth, 1.98 TCEE17808 - 26 teeth, 1.34 TCFM18027 - 22 teeth, 1.00 TCEE17806 - 54 teeth, 0.72 Reverse Sliding 3.00 gear ratio Input Splines - 10 Output Splines - 31Learn More
  4. Tremec TKX Transmission for Ford Applications (26 Spline,  2.87 First Gear,  0.81 Fifth, 2.56 Reverse) - TCET18084
    $2,895.00

    ‌Gears: TCEE18030 - 36 teeth, 3.27 TCEE17783 - 32 teeth, 1.98 TCEE17808 - 26 teeth, 1.34 TCFM18027 - 22 teeth, 1.00 TCEE17806 - 54 teeth, 0.72 Reverse Sliding 3.00 gear ratio Input Splines - 10 Output Splines - 31Learn More
  5. Tremec TKX Transmission for Ford Applications (26 Spline,  2.87 First,  0.68 Fifth,  2.56 Reverse) - TCET17765
    $2,895.00

    ‌Gears: TCEE18030 - 36 teeth, 3.27 TCEE17783 - 32 teeth, 1.98 TCEE17808 - 26 teeth, 1.34 TCFM18027 - 22 teeth, 1.00 TCEE17806 - 54 teeth, 0.72 Reverse Sliding 3.00 gear ratio Input Splines - 10 Output Splines - 31Learn More
  6. Tremec TKX Transmission for Ford Applications (26 Spline,  3.27 First Gear,  0.72 Fifth,  3.00 Reverse) - TCET18085
    $2,895.00

    ‌Gears: TCEE18030 - 36 teeth, 3.27 TCEE17783 - 32 teeth, 1.98 TCEE17808 - 26 teeth, 1.34 TCFM18027 - 22 teeth, 1.00 TCEE17806 - 54 teeth, 0.72 Reverse Sliding 3.00 gear ratio Input Splines - 10 Output Splines - 31Learn More
  7. RPM Transmissions Level VI 03-04 Cobra T-56 Transmission
    $3,660.00

    All of our LEVEL VI T56 six speed transmissions include:

  8. Media blast transmission case
  9. Solid keys
  10. Bronze fork pads
  11. Bronze shifter bushing (n/a for Corvette)
  12. Steel 3-4 shifter fork
  13. RPM modified 1-2 shifter fork
  14. Hand fit sliders and hubs
  15. New Compressed Carbon blocking rings
  16. Performance Metal Micropolish
  17. Assembly to our specifications
  18. Cryogenic Processing
  19. Stainless Throwout Bearing Sleeve

  20. RPM Transmissions does not have power ratings listed with their transmissions as they will hold up to different amounts of power depending on how they are used. Please call and talk with a sales representative about your driving style and HP to see what will fit your application.

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  • Lethal Performance T56 Magnum Swap Kit (2003-2004 Cobra)

    From: $4,892.74

    To: $7,118.37

    Lethal Performance T56 Magnum Swap Kit (2003-2004 Cobra)Learn More
  • RPM Transmissions Level IV 03-04 Cobra T-56 Transmission
    $2,810.00

    RPM Transmissions Level IV 03-04 Cobra T-56 Transmission

    10 Spline Transmission rated to 450 rwhp/450 rwtq26 Spline Transmission rated to 550 rwhp/550 rwtqAll new at Lethal Performance is the RPM Transmissions Upgraded T-56 Tranny's!! As most of us know the 03-04 Cobra OEM T-56 Transmission is definitely one of the weakest points of the car itself. From being too notchy or not strong enough we find ourselves looking for answers.. Even after installing an aftermarket shifter we still have trouble hitting the gears as well as the infamous snapping of the input shaft.. We now are proud to offer a solution..

    The Level IV 03-04 Cobra T-56 Transmission

    All LEVEL IV six speed transmissions include:

    • All of our LEVEL IV T56 six speed transmissions include:

       

      *Media blast transmission case

      *Solid synchronizer keys

      *Steel 3-4 shifter fork

      *Hand fit sliders and hubs

      *New Compressed Carbon blocking rings

      *Assembly to our specifications

      *Stainless Throwout Bearing Sleeve

       

       

       

      Optional upgrades include:

      $325.00 - 26 Spline Input Upgrade

      $150.00 - Billet Bronze Fork Pads

      $35.00 - Bronze Shifter Bushing $35.00 (n/a for Corvette)

      $350.00 - Cryogenic Processing

      $250.00 - Powder Coat Case

       


    Pricing is on an exchange basis. We build and ship you a transmission, you install it, then ship us the core back on the same pallet. If we do not receive the core back within 30 days, we will charge you $750 for the transmission core. Contact us if you do not have a core transmission. Prices subject to change.

    Warranty
    RPM Transmissions warrants that each transmission manufactured or sold by RPM Transmissions will be free from defects in material and workmanship under normal use for a period of 90 days. RPM Transmissions' sole obligation under this warranty shall be to repair or replace, at its option, the defective transmission at no charge to the customer. Under no circumstance will RPM Transmissions be liable for any oil, towing, labor or rental vehicle charges.

    As a condition of this warranty the customer must return any allegedly defective product, freight prepaid to RPM Transmissions, accompanied by a packing slip indicating the shipper, a copy of the original invoice. This warranty does not apply to unsatisfactory product performance which is attributed in whole or in part, to any factor, condition or circumstance other than defects in material or workmanship. Without limiting the foregoing, this warranty shall be null and void if repair or replacement is required because of improper installation, accident, physical or electrical stress, neglect, misuse or any other cause other than the ordinary and intended use for which the product was designed, or if the product has been dismantled, altered or repaired by the customer or by any third party. This warranty expressly does not cover loss or injury from the use of the product.

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