Extreme Rebuilds and Extreme Rebuilds Plus – Turbo 400 Extreme PLUS Rebuild of GM Turbo Hydramatic 400 3 Speed Auto (includes Torque Converter) $6,254.48 inc. GST $5,941.76 inc. GST Extreme Rebuild of GM Turbo Hydramatic 400 3 Speed Auto (includes Torque Converter) No reviews $4,032.95 inc. GST $3,831.30 inc. GST Contact us to arrange your Extreme or Extreme Plus Rebuild Now! Contact Us Now! About Us Home Fitting Agents Newsletter Terms and Conditions Privacy Policy Contact Us Trademark Acknowledgement Products Nomad Valve Body Extreme Valve Body Full Manual Valve Body Torque Converter Lockup Control Transmission Temperature Gauge Kits Manual to Automatic Conversions Compushift Transmission Control Systems Services Automatic Transmission Servicing Ask Orto Technical Questions and Answers Re-Manufactured and Changeover Transmissions Extreme Transmission Upgrades Custom Heavy Duty Billet Torque Converters Get Zip Finance – Own it Now, Pay Later!