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Aeromotive alternator overdrive pulleys are the great equalizers when used in conjunction with horsepower-boosting underdrive crank pulleys. Some drivers notice an unhealthy drop in charging capacity after installing underdrive pulleys. These natural CNC-machined finish overdrive pulleys resolve that issue by counteracting those slower underdrive revolutions. They're available in 32 and 50 percent overdrive versions. Alternatively, if you merely require increased charging capacity for that sweet sound system or other electronics, Aeromotive alternator overdrive pulleys save the day again! Order the V-belt or serpentine model needed for your application.
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$62.05
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$79.00
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ACDelco drive belt tensioners keep your belts just right—not too loose, not too tight. They offer a perfect complement to the full line of ACDelco belts with high-quality bearings that resist dirt and salt. Hundreds of models are available, with a variety of pulley styles. Reduce belt wear and keep them taut with the long-lasting replacement drive belt tensioner designed to fit your application.
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$64.99
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$68.99
Chevrolet Performance drive belt tensioners keep your belts just right--not too loose or too tight. Chevrolet Performance belt tensioners adjust for the right tension as your belts age and stretch--with no re-adjustments! What keeps your GM engine performance spinning? Chevrolet Performance drive belt tensioners, of course!
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$63.99
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$69.99
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