1975-1980 Chevrolet K10 V8 6.6L 12si High Output Alternator Pulley:6-Rib Serpentine Pulley This alternator comes with a

This alternator comes with a stock-size V-Belt pulley which can be installed using your stock belt

This is a direct fit high-output alternator for the 1973-1974 Chevrolet K20 Pickup 5

This is a direct fit high-output alternator for the 2002-2004 Ford F-250 Super Duty 5

This is a direct fit high-output alternator for the 1973-1978 Pontiac Grand Safari 6

This is a direct fit high-output alternator for the 1968-1984 GMC K2500 Suburban 4

1975-1980 Chevrolet K10 V8 6.6L 12si High Output Alternator Pulley:6-Rib Serpentine Pulley This alternator comes with aFitment: This is a direct fit high output alternator for the 1975 1980 Chevrolet K10 6. 6L. 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