1976-1978 Chevrolet K20 V8 7.4L 12si High Output Alternator Amperage:320 amp alternator The pigtail plugs directly into

The pigtail plugs directly into the alternator

This is a direct fit high-output alternator for the 2008-2013 Cadillac CTS 3

This is a direct fit high-output alternator for the 1994 Chevrolet S10 Blazer 3

This is a direct fit high-output alternator for the 1973-1977 GMC Sprint 5

1976-1978 Chevrolet K20 V8 7.4L 12si High Output Alternator Amperage:320 amp alternator The pigtail plugs directly intoFitment: This is a direct fit high output alternator for the 1976 1978 Chevrolet K20 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