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STILLEN is proud to release our line of high performance STILLEN Lightweight Standard Pulleys for popular Nissan/Infiniti applications. OEM steel pulleys, especially crank pulleys, can be quite heavy, robbing horsepower.
Upgrading these pulleys to a STILLEN 6061 Aluminum set reduces rotating mass, allowing for easier and quicker revving of the engine, resulting in increased performance.
In the case of underdrive applications, the reduced outside diameter of the pulley allows for the accessories to run slower, freeing up additional horsepower from the drivetrain, and putting that recovered power to the wheels.
Because of its smaller diameter, the Stillen Underdrive Crank Pulley requires a smaller size belt Gates PN K070855 to maintain proper belt tension.
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*** This item does not qualify for any additional discounts or promotions ***