1975-1986 Chevrolet P30 V8 7.4L 12si High Output Alternator Pulley:6-Rib Serpentine Pulley which causes it to spin

which causes it to spin faster than a larger pulley

This is a direct fit high-output alternator for the 1999-2001 Oldsmobile Alero 2

This is a direct fit high-output alternator for the 1987-1995 GMC G1500 4

This is a direct fit high-output alternator for the 2007 Chevrolet Silverado 3500 5

This is a direct fit high-output alternator for the 1966-1972 Chevrolet K20 Pickup 4

1975-1986 Chevrolet P30 V8 7.4L 12si High Output Alternator Pulley:6-Rib Serpentine Pulley which causes it to spinFitment: This is a direct fit high output alternator for the 1975 1986 Chevrolet P30 7. 4L. 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