The following installation notes are a summary only. For more detailed installation information, call us at 760-438-2244.

Installation Information

1. Shifter location. Our A-Body TKO kit achieves a shifter location that positions the shifter to 1 ¼” forward of the stock 4-speed shifter location. Positioning the shifter in this location allows for full clearance when using bench sets.
   
2. Tunnel fitment. In order for the TKO transmission to fit within the tunnel of the A-Body it is necessary to cut the tunnel to achieve proper transmission fitment and driveline angle. Each Classic Motorpsorts Group 5-Speed kit includes a template and universal tunnel patch.

 

3. Floor brace and crossmember. Due to the larger size of the TKO, installing a TKO into your A-body Mopar requires cutting and removing the stock floor brace of your car. This floor brace is an important structural member of an A-body car. The transmission kit includes a custom, bolt-in floor brace that replaces the stock unit. Due to variances in particular cars, in some cases there may be additional modifications required to your car or to the custom floor brace. Additionally, a custom A-body-to-TKO crossmember is also included in each kit. The custom floor brace and crossmember, which are engineered to be stronger than the stock unit, have been designed to work with the factory exhaust system as well as most custom dual exhaust set ups.
   
   When using a bench seat, it is necessary to either position the seat in the rear most position in order to clear the custom floor brace. If required, the bench seat can be raised by approximately 1” using spacers in which case the seat will be bale to positioned all the way forward.

Cutting stock floor brace	Stock floor brace cut out
Custom floor brace installed	Custom floor brace and crossmember

4. Bellhousing. You will need to use a Classic Motorsports Group custom bellhousing that will adapt the TKO transmission to the Mopar engine block. Small block aluminum bellhousings as well as big block SFI scattershields are available from Classic Motorsports Group.
5. Clutch linkage. You will be able to use your stock clutch linkage. Hydraulic clutch kits are also available from Classic Motorsports Group.
6. Driveshaft. You will need a new, shorter driveshaft with a 26 spline slip yoke. Each kit includes a new driveshaft with slip yoke and ujoints that will be custom built for your specific car.
   
7. Speedometer and reverse lights. You will need a custom speedometer cable that is compatible with the TKO as well as your stock speedometer gauge. The TKO also has a provision for an electric speedometer. An electric speedometer wiring harness or a custom speedometer cable with the correct speedometer gear for your rear tire size and rear gear ratio is included with each of our conversion kits.
8. Clutch components. You will need a 26 spline clutch disc. Replacing your pressure plate and clutch disc at the same time is recommended.