If you are interested in building your own AOD Heavy Duty or Performance transmission, then you have come to the right place. I offer very complete rebuild kits, that provide "fixes" for these units. They come with the extra capacity 3rd gear clutch pack, TransGo Shift kit or Baumann valve body recalibration kit (your choice), larger Sonnax boost valve, large Sonnax overdrive servo, Sonnax throttle valve plug and sleeve, improved accumulator piston & other improvements.

For those of you wanting to improve a good working transmission, I offer the TransGo Shift kit or Baumann valve body recalibration kit for the AOD with the larger Sonnax overdrive servo, and the Sonnax upgrades. This is available in the Shift kit section.

Those interested in building your own AODE/4R70W transmission, I offer very complete rebuild kits, that provide "fixes" for these transmissions. They come with the extra capacity 3rd gear clutch pack, TransGo Shift kit or Baumann valve body recalibration kit (your choice), Sonnax updated pressure regulator valve and reverse boost valve, improved accumulator pistons & other improvements.

For those of you wanting to improve a good working AODE/4R70W transmission, I offer the TransGo Shift kit (with EPC relief to prevent hi line parts breakage) or the Baumann valve body recalibration kit for the AODE/4R70W with the Sonnax updated pressure regulator valve and reverse boost valve. This is available in the Shift kit section.