TUET18131 MAGNUM XL 6-Speed, For GM 26-Spline Input/31-Spline output
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AMERICAN POWERTRAINPART NUMBER: 632-TUET18131

TUET18131 MAGNUM XL 6-Speed, For GM 26-Spline Input/31-Spline output

$3,69500
Truck Freight
ShippingShips on 09/14/2026
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Magnum XL Transmissions
MAGNUM XL 6-Speed
  • For GM 26-Spline Input/31-Spline output
  • Gear ratios:
    • 2.66 1st
    • 1.78 2nd
    • 1.30 3rd
    • 1:1 4th
    • .80 5th
    • .50 6th

      Magnum Xl GM Transmission 2.66/.50 Is Designed for GM 26-Spline Input/31-Spline Output, 2, Providing a Clean Solution for Transmission Installation, Conversion, or Service Needs.

    • American Powertrain Tremec Magnum Transmissions For Extreme 6-Speed Performance

      American Powertrain Tremec Magnum Transmissions deliver legendary 6-speed performance, exceptional durability, and race-proven shifting for classic muscle cars, modern sports cars, and high-horsepower street or track builds. Available in Magnum, Magnum XL, and Magnum F configurations, the Tremec Magnum series evolved from the iconic T-56 platform and is engineered to handle up to 700 horsepower, 700 lb-ft of torque, and 7,800 RPM with outstanding reliability and smooth shift quality. Featuring multiple shifter locations, close and wide ratio gear options, integrated cooling capability, and compatibility with both mechanical and electronic speedometer systems, these Tremec 6-speed manual transmissions provide unmatched versatility for retrofits, modern performance applications, and direct bolt-in upgrades for Mustangs, Camaros, Firebirds, CTS-Vs, and other high-performance vehicles.

    Part TypeManual Transmission
    Product LineAmerican Powertrain Tremec Magnum 6-Speed Transmissions
    BrandAMERICAN POWERTRAIN
    Package Height16.0
    Package Width19.0
    Package Length44.0
    Weight155.0 PG
    Part CategoryPerformance Parts
    Part FitmentDirect Fit
    Vendor Part NumberTUET18131
    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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