70 up Napa Alternator

Here are the specs on the alternator
Attributes Alternator Amperage : 60 Amp
Alternator Polarity : Negative
Alternator Voltage : 12 Volt
Dimension : 257 x 203 x 176 mm
OE Manufacturer : Chrysler
Pulley Type : 1-Groove V
Voltage Regulator Type : External

http://www.napaonline.com/Search/Detail.aspx?A=NAE66268_0072526145&An=599001+101970+50020+2020014