1969-1986 GMC C2500 V8 5.7L 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 2011-2013 Subaru Forester 2

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This is a direct fit high-output alternator for the 1973-1974 Chevrolet G10 Van 4

1969-1986 GMC C2500 V8 5.7L 12si High Output Alternator Pulley:6-Rib Serpentine Pulley which causes it to spinFitment: This is a direct fit high output alternator for the 1969 1986 GMC C2500 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 of