This is a very popular replacement where significantly increased capacity is needed. This alternator is more popular for electrically modified cars - this unit will increase the charging capacity at all RPM Ranges with no modifications.
OUR STANDARD PULLEY IS A 57MM SERPENTINE WHICH IS COMPATIBLE WITH MOST FORD PASSENGER CAR APPLICATIONS. WE CAN SUPPLY 1V, 2V, 4S, 5S, 6S, 7S, & 8S PULLEYS, BUT YOU NEED TO ORDER IT OR CALL AND SPECIFY AT ORDER TIME