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The SBC-DT4.0-400 is a complete dual alternator charging system specifically engineered for the Toyota 1GR-FE (4.0L Gasoline) Single VVT-i engine. It adds a 24 Volt 400 Amp TWIN secondary alternator while leaving the OEM charging system completely intact.


The OEM alternator can also be upgraded to one of our 12V high output options. Click here for more info.

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