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High Performance Parts for Gear Heads with Passion, Like Us.


Tremec T-56 Magnum-F

  • 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.
  • GM Vehicles


The kingpin of TREMEC’s high performance line-up, the Magnum double-overdrive 6-speed transmission takes the very best from TREMEC’s current OEM technologies and pairs it with the most popular features of the TKO 5-speed.

Able to withstand a massive 700 lb-ft. of torque while providing unbelievably crisp shifts, no other manual transmission on the planet offers as much combined strength, versatility, and general ease-of-use as the Magnum.

Known in its original equipment form as the ‘TR-6060’, the Magnum is an aftermarket version of the same transmission found in many of today’s most celebrated factory muscle cars – including the Dodge Challenger and Viper, and the Chevrolet Camaro – giving you refinement where you want it and strength where it counts.

GM application direct swap for F-Body vehicles