1970-1971 Chevrolet C30 Pickup V8 6.6L 12si High Output Alternator Pulley:6-Rib Serpentine Pulley They produce more output at

They produce more output at idle and are more efficient than a conventional alternator

This is a direct fit high-output alternator for the 2016 Chevrolet Colorado 2

This is a direct fit high-output alternator for the 1987-1989 GMC V1500 Suburban 5

This is a direct fit high-output alternator for the 1987-1989 GMC V3500 5

This is a direct fit high-output alternator for the 1996-1999 GMC P3500 4

1970-1971 Chevrolet C30 Pickup V8 6.6L 12si High Output Alternator Pulley:6-Rib Serpentine Pulley They produce more output atFitment: This is a direct fit high output alternator for the 1970 1971 Chevrolet C30 Pickup 6. 6L. Being a direct fit, this alternator fits directly into your stock alternator location. Plug: This high output alternator comes with a 14. 8 Volt GM Style Internal Regulator with one wire connection. This alternator is not plug and play and must be wired with the one wire connection. NOTE: If you require charging at a certain voltage setpoint, we offer a