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Chevrolet: 296-572 ci engines, long water pump, 2 groove crank, 1 groove water pump, 1 groove alternator pulley with cover, billet aluminum, 1 groove power steering pulley, V-belt pulley kit.
By underdriving your crank-driven engine accessories, an American Speed & Racing Performance V-groove underdrive pulley set can give you up to 20 extra horsepower.
Pulleys turn your belt driven accessories approx. 25 percent slower than stock and provides up to 20 extra horses--for about 30 minutes work while retaining full cooling and charging characteristics. You'll also get better mileage and accessory life in the bargain. Built from aircraft-quality billet aluminum alloy.
Price: $199.95
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