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HP Tuners

HPT 2017+ GM 8/10 Speed Auto T87A TCM Unlock Only (*Must Mail in PCM*)

Sale Sold out
Tax included.
Our upgrade-only option will upgrade your TCM to enable tuning. Send us your TCM and we'll send it back to you fully upgraded for tuning. Please include VIN. This service takes 1-3 business days to complete (not including shipping times).