The SBC-DGM5.3V2-300 is a multi-alternator kit for the new model 5.3L EcoTec3 engine found in GMC and Chevy trucks and SUVs. It adds an SBC-D24V-300 alternator to the existing system adding a total of 300 Amps @ 24 Volts. The OEM 12 Volt system can be left as is or be upgraded to an SBC high output unit.
Available with external regulation for use with lithium-ion batteries

















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