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ECM

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  1. 6 Speed Allison TCM (Transmission) Tuning

    6 Speed Allison TCM (Transmission) Tuning

    $299.00

    Improved Driveability, Better Shift Feel

    Eliminates excessive part/full throttle defuel and improves Torque converter clutch engagement 

    Second or 3rd gear start for Sled Pulling

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