75-81 (Camaro, Firebird and Trans Am) 6-Speed Tremec Magnum Install System

Tremec Magnum 6-Speed Transmission Install System: 1975-1981 F-Body GM (Camaro, Firebird and Trans Am). Kit includes installation components and offers several gearing options.


Transmission kits require customization based on application. Please call 833-487-3632 or CLICK HERE to submit an order request online.


Components Included

  • 6 Speed Magnum Transmission / Gearbox
  • Offset shifter to replicate 4 speed position
  • Slip yoke
  • Pilot bearing (GM or Pontiac)
  • Cross-member
  • Isolator mount
  • Speedometer adapter cable (Mechanical or Electronic)
  • Reverse light harness
  • All necessary hardware
  • 36 Month Warranty
  • No Cutting of Tunnel Required with ESM Kit!

You will have two different options to choose from for the Magnum 6 Speed

  1. Close Ratio Magnum - 2.66, 1.78, 1.30, 1.00, .80 and .63 Final Drive.
  2. Wide Ratio Magnum -2.97, 2.10, 1.46, 1.00, .80 and .63 Final Drive.

You can select the option of your transmission below when ordering.

We also have the option to do a complete clutch upgrade through McLeod or Mantic. Hydraulic Clutch option available as well. Give us a call. 833-487-3632

Additional information

Weight N/A