Powermaster "Smooth Look" alternators are an innovative new design. Every sharp line and corner on the housing has been blended for a very sleek look. Other features include hidden case bolts and teardrop surface features for an overall smooth bullet shape. Available in natural, chrome or polished finish with either 1V or 6-rib serpentine pulleys. Chrome and polished versions come with a custom fan and nose cone, adding even more style to any engine compartment. Alternators are 12SI-style and feature internal regulators.