1977-1985 Chevrolet K20 V8 5.0L 12si High Output Alternator Amperage:250 amp alternator This is a direct fit

This is a direct fit high-output alternator for the 1973-1976 Pontiac Grand Prix 7

All 12SI Applications will come with a 45 mm

This is a direct fit high-output alternator for the 1975-1979 GMC Jimmy 6

This is a direct fit high-output alternator for the 1982-1985 Oldsmobile Cutlass Ciera 3

1977-1985 Chevrolet K20 V8 5.0L 12si High Output Alternator Amperage:250 amp alternator This is a direct fitFitment: This is a direct fit high output alternator for the 1977 1985 Chevrolet K20 5. 0L. 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