1970-1972 Chevrolet Impala V8 6.6L 12si High Output Alternator Bass Knobs This is a direct fit

This is a direct fit high-output alternator for the 1987-1995 Chevrolet G10 5

This unit comes with a smaller pulley in which requires installing a half inch to an inch shorter belt

2 1999 - 2004 Chevrolet Astro Van 4

This is a direct fit high-output alternator for the 1999-2004 GMC Sierra 1500 4

1970-1972 Chevrolet Impala V8 6.6L 12si High Output Alternator Bass Knobs This is a direct fitFitment: This is a direct fit high output alternator for the 1970 1972 Chevrolet Impala 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