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The ATS Stage 1 Package is designed for light towing, daily driving and stock or slightly modified power levels.


- ATS Built E4OD Auto Trans
- ATS 5 Star Viskus Clutch Drive Torque Converter
- ATS Extra Deep Transmission Pan


ATS E4OD's feature:

  • ATS Five Star Torque Converter featuring a billet cover, five lock-up clutches
  • High performance overdrive, intermediate and forward clutch packs, with one additional clutch added per section
  • Modified transmission pump to increase line pressure, which provides increased clamping force on the clutch packs
  • Modified valve body that focuses around precise shifts, increase line pressure and increasing the torque capacity of the E4OD
  • New bearings, seals and gaskets
  • New low roller clutch, heavy duty intermediate sprag, bonded coast and overdrive pistons
  • ATS Deep Transmission Pan which adds 5 quarts of fluid over stock, which helps keep the transmission cool


The transmission package comes with a 5 year / 500,000 mile warranty.

ATS DIESEL carrys an industry-leading 5 year / 500,000 mile warranty protects your investment on the job, street or track.