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Compatible with GM Vehicles V6 or V8.Keep your car in full cylinder mode all the time.
Keep your engine stable when cycling between half-cylinder or full-cylinder operation.
Keep your factory ECU without causing damage to the vehicle. Easy to use, plug and play.
When the product is stable, it will keep a light on. If the product is not used for a long time, please take the product off to avoid running out of battery.
Please note: This product is not suitable for 2019+ 5.3L and 6.2 10-speed truck/SUV applications..