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Tremec TKX 5 SPEED

GM, 26 spline, 2.87 1st gear/.81 O.D.

Part # TCET17722
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All-New 5-Speed RWD Manual Transmission Designed Specifically for the Aftermarket. Designed for multiple applications with little to no floor pan modifications. Compact, end-loaded design provides the perfect solution for custom builds. Outstanding shift-ability at high RPMs (up to 7500) to match modern, high-performance engines. 600 pound-foot (lb.-ft.) of torque capacity. Single overdrive reduces engine wear and fuel consumption for comfortable roadway driving


  • All-new 5-speed, single overdrive manual transmission designed, tested and built specifically for the aftermarket
  • Special grade steel shafts and wide gears provide 600 lb.ft. of torque capacity, 8,000 RPM engine speeds and 7,500 RPM shifts
  • Three-piece aluminum housing provides outstanding structural stiffness and increased case strength
  • Gaskets at all flanges to simplify installation and eliminate fluid leaks
  • Superior shift-ability through the use of multi-cone synchronizers
  • Gear layout and caged needle bearings reduce end play while minimizing noise, vibration and harshness (NVH)
  • Three shifter locations and a compact design allow multiple applications with little to no floor pan modifications
  • 26-spline input shaft and 31-spline output shaft for added strength
  • Built-in reverse light switch and cruise control safety switch provide safety and creature comfort for any application
  • GM case pattern, input configuration and transmission mount pattern with 2.87 1st gear and .81 O.D.

About Tremec

Tremec transmissions are the pinnacle of manually-shifted performance. Tremec supplies some of the most innovative torque transfer solutions in the automotive industry, to some of the industry's most respected OEMs. From simple timing gears to advanced mechatronics, in sectors spanning from agriculture to defense; you can find Tremec products in a wide array of applications. However, the place where their name is best known is in the world of high-performance manual transmissions. Some of the most exhilarating vehicles to ever roll off an assembly line have featured Tremec transmissions.

Case MaterialAluminum
Drive TypeRWD
Emission Code5
Gear Ratio-Fifth.81
Gear Ratio-First2.87
Gear Ratio-Fourth1.00
Gear Ratio-Second1.89
Gear Ratio-Third1.28
Part TypeHigh Performance
Product TypeManual Transmission
Reverse Gear Ratio2.56
Torque Rating (Ft/Lbs)600
Transmission ModelTKX
Transmission Speeds5
Transmission TypeManual
Part NumberTCET17722

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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