1999-2002 GMC Sierra 2500 V8 6.0L High Output Alternator Amperage:370 amp alternator which causes it to spin

which causes it to spin faster than a larger pulley

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1999-2002 GMC Sierra 2500 V8 6.0L High Output Alternator Amperage:370 amp alternator which causes it to spinFitment: This is a direct fit high output alternator for the 1999 2002 GMC Sierra 2500 6. 0L. Being a direct fit, this alternator fits directly into your stock alternator location. Plug: This high output alternator comes with a 14. 8 Volt GM Style Internal Regulator with one wire connection. This alternator is not plug and play and must be wired with the one wire connection. NOTE: If you require charging at a certain voltage setpoint, we offer a