1990-1991 Pontiac Tempest V6 3.1L 12si High Output Alternator Pulley:Double V-Belt Pulley This is a direct fit

This is a direct fit high-output alternator for the 1972-1977 Pontiac LeMans 4

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It is recommended to use 1/0 100% copper wires for the upgrade

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1990-1991 Pontiac Tempest V6 3.1L 12si High Output Alternator Pulley:Double V-Belt Pulley This is a direct fitFitment: This is a direct fit high output alternator for the 1990 1991 Pontiac Tempest 3. 1L. 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