Tremec Magnum XL Transmission Kit


SKU: M-7003-M6XL Ford Performance

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Fits: 2005-2014 Mustang GT 
  • 2.97 Gear Ratio
  • Trans mount isolated shifter and shift ball
  • 700 lb-ft torque capacity¬†
  • New extended length tail section designed to eliminate the semi-remote shifter
  • SFI-approved steel bellhousing ¬†
  • Reuses the OEM hydraulic clutch relase system.¬†
  • Includes swap-specific steel crossmember and OE-quality rubber transmission mount,¬†


Users will need to convert to a 26-spline clutch disc and 1-piece 31 spline slip yoke style prop shaft (not included). 

Magnum XL transmissions are designed to accept the factory hydraulic release bearing from a 2005-current Mustang GT.  

GT500 bearings may also be used but will require a custom adaptor to maintain proper stack up (not included). 

2005-2010 Mustang applications are a direct plug-and-play with regards to the speedometer.  

2011-2014 models will require speedometer recalibration via ECU tuning or a separate plug-in signal converter from sine to hall-efffect signal, such as the Abbott Enterprises ERA or Dakota Digital SGI-1  (Not included)

2015-2019 model installation kits are not currently available.