GM Tremec TKX 5-speed Transmission, 2.87 1st-gear, .81 od. for Street Rods & Trucks
TKX is the latest and greatest in five speeds, with an end loading design providing such advantages as a slim case design for great tunnel clearance, increased case strength, and fewer case seams.
Product Features
- Wide gear ratio choices, high-performance applications Rated at 600+ft/lbs
- Sintered carbon/bronze-Hybrid triple cone synchro's with a non-leading tooth profile
- Uses the same bolt pattern as GM 3 & 4 speed Muncie bellhousing.
- 26-spline input shaft with a 31 spline output shaft for added strength.
- GM .590 pilot tip and 1.375" OD throwout bearing guide tube.
- Robust design with an internal 3-rail shift system & steel shift forks.
- All gears & shafts made from special grade steel (ASTM 4615) providing increased torque carrying capacity.
- Single-piece countershaft provides an increased torque carrying capacity
- Tapered roller bearings on input, output, and counter shafts improve performance (reduced noise factor) with caged needle bearing on the main shaft.
- Equipped with a high-performance short-throw billet aluminum shifter that isolates road noise, while providing clean crisp shifts.(Optional offset MDL shifter available for even more custom fit)
- New smaller stamped-steel mid-position cover with four M6 x 18 countersunk socket screws.
- Built-in reverse light switch on the left side
- Cruise control safety-switch location on the right side of the TKX.
- Rear main-shaft support bushing moved from tail closer to the gearbox provides better support.
- All mating surfaces are sealed with gaskets
We offer a complete TKX five-speed package that is completely customizable. Contact us today for a detailed quote.
Experience the MDL difference:
When you purchase a complete MDL Conversion Package you get
- We extend the manufacturers warranty by an extra year with a 1-year grace period.
- We have the best in the industry customer service.
- life-time technical support.
- Three shifter locations standard. (For the Mid position, additional kit required)
- Ford Mechanical 7 tooth speedometer cable drive gear(that can be adapted to GM)
- OSS two-wire Analog speedometer sensor built-in.
Lubricant Specifications For all Tremec TKX 5-Speed models
the recommended oil is:
- Dextron III ATF
- Amzoil ATF
- Tremec High-Performance manual transmission Fluid (HP-MTF)
- Mobil 1 Synthetic ATF.
Fluid capacity is 2.7 quarts / 2.6 Liters. Fluid Maintenance
| GM | Gear Ratios | Spline count | |||||
| Item # | 1st | 2nd | 3rd | 4th | 5th | Input | output |
| TCET17722 | 2.87 | 1.89 | 1.28 | 1.00 | 0.81 | 26 | 31 |
| TCET17805 | 2.87 | 1.89 | 1.28 | 1.00 | 0.68 | 26 | 31 |
| TCET18083 | 3.27 | 1.98 | 1.34 | 1.00 | 0.72 | 26 | 31 |