Designed as a direct plug-in tuning solution for the factory DELCO ECU.
Removal of the vehicle anti-theft system (VATS) to bypass the body control module for engine conversions.
Note. Our Custom Memcals are supplied on an exchange basis. Online orders will not be sent without first receiving an exchange Memcal in good condition. For accurate tuning, please download our ORDER FORM and include it with your exchange Memcal.