1975-1986 Chevrolet C20 V8 5.7L 12si High Output Alternator Pulley:Double V-Belt Pulley These units come with a

These units come with a smaller pulley which requires installing a half inch to an inch shorter belt

This is a direct fit high-output alternator for the 2010-2017 Chevrolet Equinox 2

This is a direct fit high-output alternator for the 1981-1985 Jeep Scrambler 2

This is a direct fit high-output alternator for the 2011 Buick LaCrosse 2

This is a direct fit high-output alternator for the 1985-1987 Pontiac Fiero 2

1975-1986 Chevrolet C20 V8 5.7L 12si High Output Alternator Pulley:Double V-Belt Pulley These units come with aFitment: This is a direct fit high output alternator for the 1975 1986 Chevrolet C20 5. 7L. Being a direct fit, this alternator fits directly into your stock alternator location. Plug: This high output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high output alternator, and the other side will plug into the factory plug. NOTE: If you require charging at a certain voltage setpoint, we offer a selection