MDL MODIFIED SHIFT POSITION TREMEC TKX 5-SPEEDThe shifter is a close-ratio custom made piece that is now an integral part of the transmissionthis is an upgraded transmission, this isnt just a bolted-on shifter.
What do we do to the TKX:
Fits:
Chevelle, GTO, Lemans, 442, Buick-GS, Malibu
BOP applications for upgrading a 3 or 4-speed manual car to a 5-speed
If your BOP is automatic or has an auto or blank floor console

Video series deep dive install TKX 5-speed into a beautiful 67 A-Body
Features:
Gear Ratios 3.27, 1.98, 1.34, 1, .72od 26 spline input, 31 spline output
Click here to see what's different

We offer complete TKX five-speed packagesThey are completely customizable.Contact us today for a detailed quote.
Experience the MDL difference:
When you purchase a complete MDL Conversion Package you get
TKX offers even more:
For all Tremec TKX 5-Speed models, the recommended oils are:
Amzoil ATF or Synchromesh
Tremec High-Performance manual transmission Fluid (HP-MTF)
GM Synchromesh
Mobil 1 Synthetic ATF.
Fluid capacity is 2.7 quarts / 2.6 Liters.
Fluid Maintenance LINK for Tremec Transmissions
The shifter is a close-ratio custom made piece that is now an integral part of the transmissionthis is an upgraded transmission, this isnt just a bolted-on shifter.
They are all prepared at our facility by hand to ensure quality & precision.
Many hours of R&D were put forth to provide this to you our customer.
No upgraded TKX leaves here unless its right.
What do we do to the TKX:
MDL modifications bring the shifter stub up in OE positionWe achieve this by carefully machining, updating, and integrating new pieces tothis HOT NEW must-have transmissionNot available through TREMEC.
Fits:
Chevelle, GTO, Lemans, 442, Buick-GS, Malibu
BOP applications for upgrading a 3 or 4-speed manual car to a 5-speed
If your BOP is automatic or has an auto or blank floor console

Video series deep dive install TKX 5-speed into a beautiful 67 A-Body
Features:
Gear Ratios 3.27, 1.98, 1.34, 1, .72od 26 spline input, 31 spline output
Click here to see what's different
TKX is the next generation in five speeds with End-Loading DesignWhich provides such advantages as:
- a slimmer case design for great tunnel clearance
- increased case strength, and fewer case seams.

Sintered carbon/bronze-Hybrid triple cone synchroswith a non-leading tooth profile
- Sintered carbon/bronze-Hybrid triple cone synchros..with a non-leading tooth profile
- Close gear ratio (3.27, 1.98, 1.34, 1.00, .72) high-performance applications Rated at 600+ft/lbs
- Utilizes Ford TKO bolt pattern 7.2? length input shaft(with a short input shaft option can bolt to:GM close pattern 3-4 speed bellhousings )
- 26-spline input shaft with a 31-spline output shaft for added strength.
- GM .590 pilot tip and 1.375? OD throwout bearing guild tube.
- Robust design with an internal 3-rail shift system & steel shift forks.
- All gears & shafts are 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 offsetMDLshifter available for even more custom fit)
- New smaller mid-position shifter mounting base now reduces the footprint
- Built-in reverse light switch on the left side
- Cruise control safety switch location on the right side of the TKX.
- The rear main-shaft support bushing moved from the tail closer to the gearbox provides better support.
- All mating surfaces are sealed with gaskets
We offer complete TKX five-speed packagesThey are 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.
- lifetime technical support.
TKX offers even more:
- Three shifter locations are standard. (For the Mid position, an additional kit is required)
- Ford Mechanical 7-tooth speedometer cable drive gear
- The reluctor wheel is 17-tooth.
- OSS two-wire Analog speedometer sensor built-in.
- Reduce engine rpm to a level that makes it fun to drive besides enhancing fuel efficiency.
For all Tremec TKX 5-Speed models, the recommended oils are:
Amzoil ATF or Synchromesh
Tremec High-Performance manual transmission Fluid (HP-MTF)
GM Synchromesh
Mobil 1 Synthetic ATF.
Fluid capacity is 2.7 quarts / 2.6 Liters.
Fluid Maintenance LINK for Tremec Transmissions