1977-1980 Pontiac Catalina V8 4.9L 12si High Output Alternator Pulley:V-Belt Pulley Built with 1/4 inch acrylic

Built with 1/4 inch acrylic these are one of most durable bass knobs in the marketplace today

This is a direct fit high-output alternator for the 1967-1970 Pontiac Catalina 6

This unit is a direct replacement for standard Delco 10DN

This is a direct fit high-output alternator for the 1975-1986 Chevrolet C30 7

This is a direct fit high-output alternator for the 1963 Cadillac Series 60 Fleetwood 6

1977-1980 Pontiac Catalina V8 4.9L 12si High Output Alternator Pulley:V-Belt Pulley Built with 1/4 inch acrylicFitment: This is a direct fit high output alternator for the 1977 1980 Pontiac Catalina 4. 9L. 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