Up for auction is a Whipple 2.750, 6 RIB Pulley in great condition. Pulley can be used on a 2.3 or 2.9 2011-14 Mustang Kit. Peak Boost used on a 2.3 = 15 PSI, Peak Boost on a 2.9 = 20 PSI. Feel free to email any questions.....Thanks for looking!

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