The Holley Dominator ECU has the capability to allow the driver to select from one of four different tuning maps. This keylock/harness combination provides a plug-and-play solution to allow the vehicle owner easy selection of a particular map plus the means to ensure that it isn't changed by anyone who may be allowed to drive the vehicle. Teenager Mode, Fuel Economy Mode, Valet Mode, Anti-Theft Mode, Beast Mode...the possibilities are endless!"
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|Dominator EFI ECU's Only
|Unit of Sale