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Steeda's lightweight billet aluminum idler and tensioner pulleys are crafted from 6061 aerospace grade aluminum and machined to a great looking finish. Bearings are of OEM specification and double sealed to ensure a long, trouble-free life. A great choice to dress up your 2011 - 2014 5.0L GT engine bay!
Applications: 5.0 LTi-VCT DOHC 32V Coyote 2011,2012,2013,2014
Spinning your alternator in excess of the factory limit often leads to failure. Extend your alternator’s life by reducing its maximum RPM while maintaining sufficient charge at idle. Billet Pro Shop's 15% underdrive alternator pulley will help keep the rpms within a more reasonable range when spinning past the factory limiter. Our pulleys are CNC machined from billet 6061 aluminum and are hard black anodized for a durable finish.
*Includes replacement nut
*Requires new belt size, part number: JK6847-B
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