Alternator - 100 amps - 12V - 1-Wire - Single V-Belt Pulley - Aluminum Case - Chrome - GM - Each Brand-ALLSTAR PERFORMANCE MPN ALL80505 . **NOTE: This alternator only requires a one-wire connection but may also be used in three wire applications as original by removing installed plug. Pulley has a .675 ID hole, shaft size is .670. Truck Freight NO
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