This results in a large saving of 4.87 lbs. of rotating mass over the factory pulleys, without sacrificing strength or reliability. Like all GFB lightweight pulleys, you can feel the improvements.
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The Agency Power pulley is the same diameter as the stock pulley. Keeping the diameter the same allows no issues to occur with the alternator as under driven pulleys do sometimes. Weighing only 1.2lbs, it is almost 4lbs lighter then stock, it is one of the lightest pulleys on the market.
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The PERRIN Performance Crank Pulley weighs just 1.2 lbs, which is 3.7 pounds lighter than the stock OEM crank pulley. This reduction in weight from the crank shaft is equal to removing more than 100 lbs of vehicle weight! Throttle response, horsepower and torque are all increased with this easy to install part.
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