TREMEC TXK Aftermarket Transmission

Perfect for a power upgrade –
from a 1930s-era coupe to a classic muscle car restoration

Specially designed for the aftermarket with universal packaging, the TKX 5-speed RWD manual transmission is a power horse for your Ford or GM restomod project. With superior shifts even at high RPMs, the TKX provides extreme durability, excellent shifting performance and a sleek casing for a customizable fit.

Like all TREMEC aftermarket transmissions, the TKX is made from 100% brand-new OEM-quality components.

Smooth shifts:

The TKX delivers superior, smooth shiftability at high RPMs via multi-cone synchronizers and hybrid synchronizer rings.

Low noise:

Noise, vibration and harshness (NVH) performance is optimized with a gear layout to best control stress levels.

Stiffness and durability:

Structural stiffness is achieved with a ribbed, 3-piece aluminum housing. Durability is further optimized with oversized gear widths, gaskets at all flanges and caged needle bearings in all gear positions.

Mid-shift kit

Feature Highlights

  • Slimmest 5-speed on the market for improved tunnel clearance
  • 3 shifter locations
  • Extreme durability, low NVH performance and isolated road noise
  • Gaskets at all flanges simplifies installation and eliminates fluid leaks
  • 600 lb-ft. of torque, capable of engine speeds of 8,000 RPMs and shifts at 7,500 RPMs
  • Special-grade steel provides increased torque capacity
Mid-shift kit

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