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Color Variation
Due to variations in monitor settings, some colors on this page may appear slightly different from GM originals. In addition, due to color differences in the original GM dye lots, interior product colors may vary slightly.
ADDED TO YOUR CART!
Alternator, Powermaster, 1954-88 GM, CS121, 100A, 6-rib Pulley
ADDED TO YOUR WISHLIST!
Powermaster CS121 Style Alternators are manufactured using only the highest quality components. These "5x5" Compact Alternators are avaliable in 1V or 6-rib 100amp or 100amp XS VOLT™ featuring user adjustable voltage set points between 13.5-18.5 volts. Great for 12v-14v, and 16v systems, the set points are adjustable via adjusting screw on the back of the alternator housing. The CS121 has a side battery post, fits in "5x5"space which resolves clearance issues and one unit for 1 wire or 3 OE hookup, great for both hot rods and race applications. These alternators Feature a 6.14" Straight Mount with a 5"x5" housing for additional clearance. 100AMP break down: 60A at Idle, 90A at Cruise and 100A at Top end.
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