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Shift Boss Transmission Programmers

Shift Boss Transmission Programmers

Designed for GM 4L60E/4L65E/4L70E/4L80E/4L85E street performance & towing applications, the Shift Boss Transmission Programmer is designed to ensure desired shift firmness while also monitoring the two most critical drivetrain functions – temperature and transmission line pressure (requires upgraded kit #377560).

  • Monitor transmission line pressure (#377560 only) & temperature while adjusting shift firmness
  • Features three shift mode options: Stock for OEM shift characteristics; Stage 1 for firm, solid shifts; & Stage 2 for race shifts
  • Easy-to-use & read hand-held unit with digital screen
  • Powerful data logging & self diagnostics capabilities

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  1. Shift Boss Optional Pressure Sensor

    Shift Boss Optional Pressure Sensor

    SKU: 377551
    $127.50

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