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Category: MaxxECU

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Why MaxxECU?  ANSWER:  GM 8HP Auto Transmission supported by software in some models.  The popular transmission found in so many production vehicles.

Customize a Plug-n-Play Wiring Specialties PRO Series Engine Swap Harness to use the MaxxECU with an 8HP Transmission (or others).

MaxxECU has a full range of cutting edge modern ECUs for any engine from 4 to 12 cylinders. Here is a chart detailing the differences between the items from MaxxECU.  

Please contact Sales if you have any questions. Availability: Spring/Summer 2026

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