MS3Pro LS 4L60E Trans Control Subharness

Optional automatic transmission control using our MicroSquirt transmission controller (sold separately).  Literally, just plug in our transmission controller with the 4L60E subharness and  you’re ready to control your trans via CAN with MS3Pro!

WARNING: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov


Type: DIYAutoTune


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