Tremec TKX

Tremec’s new 5-speed Powerhouse
With a sleek all-new case.


MDL offers complete TKX 5-speed packages that are completely customizable.

Reserve yours now…  call us for details   208-453-9800





TKX in green overlaid with TKO in blue

TKX in green overlaid with TKO in blue

ALL NEW Endloading design which means:

  • Greater Strength   
  • The slimmest 5-speed on the market for improved tunnel clearance shown the image to the left TKX – in green / TKO-in blue
  • Fits GM A-bodies without tunnel modification Chevelle, GTO, 442, as well as Nova, Chevy II, and many more.




TKX / T5 Overlay



More on the New Slim Case design & tunnel clearance
shown the image to the left
TKX – in green / T5-in blue



Sintered carbon + bronze-Hybrid double-cone synchros with a non-leading edge profile direct from the T56 Magnum allowing for up to 8000 RPM shifts



TKX for the Generations: Article by Jim Smart


  • The all-new 5-speed, single overdrive manual transmission from TREMEC. Designed, tested, and built specifically for the aftermarket.
  • The TKX has 600 lb.-ft. of torque capacity and is capable  of 8,000 RPMs shifts
    and is available in multiple gear ratio configurations (See chart below).
  • Designed for multiple applications with three shifter locations. Compact, end-loaded design provides clearance in most transmission tunnels without floor modifications.
  • Increased case strength with three-piece aluminum housing provides outstanding structural stiffness (includes main case, intermediate plate, and rear extension) Gaskets at all flanges simplify installation and eliminates fluid leaks.
  • Superior shift-ability through use of multi-cone synchronizers and hybrid synchronizer rings made of sintered bronze and carbon
  • Noise, vibration, and harshness (NVH) minimized with gear layout to best control stress levels. All gears supported by caged needle bearings to reduce end play on the gears.
  • All gears and shafts made from special grade steel (ASTM 4615) providing increased torque carrying capacity.
  • Equipped with a high-performance short-throw billet aluminum shifter that isolates road noise, while providing clean, crisp shifts.
  • Robust design with internal three-rail shift system and steel shift forks.
  • Wide gear width increases gear life and torque capacity.
  • 26-spline input shaft with a 31-spline output shaft for added strength.
  • Built-in reverse light switch and cruise control safety switch.
  • Available in GM 3 & 4 speed Muncie/Richmond pattern
  • Available in Ford wide pattern 3-4 speed pattern




Far and away, the most versatile 5-speed on the market.

TREMEC’s TKX the latest innovation to the series of 5-speed transmissions that began with its successful TKO in the 5-liter Mustang movement and has since been fitted into nearly every rear-wheel drive performance application imaginable.



Serving up 600 lb-ft of torque capacity, along with up to 8000 rpm confidence-inspiring shifts and fuel-saving overdrive.

The TKX offers an ideal blend of brute strength and street manners.

Welcome to the next generation.


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