ATS Built Extreme LCT1000 5-Speed Transmission

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2001-2005 GM 6.6L Duramax LB7/LLY
ATS Diesel
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ATS Extreme Allison LCT-1000 5-Speed Transmission Packages include proprietary modifications to the drums and pistons. We have found these modifications necessary when power goes over 700hp at the tires. In addition, the pump is also modified more extensively for increased line pressure. When coupled with the Co-Pilot (sold separately), line pressure in excess of 300 PSI is achieved – which is needed to prevent clutch slippage.

All ATS Transmissions are backed by a 5 year / 500,000 mile warranty with proven reliability at the track and on the street.

Build Date Guide:
01-02 Transmission LB7 Engine: Trucks built from Aug-00 to Jul-02
03-04 Transmission LB7 Engine: Trucks built from Aug-02 to Dec-03
04.5-05 Transmission LLY Engine: Trucks built from Feb-04 to Jul-05

Note: Transmission ONLY. Deep Pan, Torque Converter and CoPilot must be added (sold separately).

Truck Freight Item: Allow 1-2 Weeks for delivery. Truck freight charges apply.

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