Whipple 2.9L 6-Rib Supercharger Pulley for 2011-2019 Mustang

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Every Whipple Supercharger pulley is made of 6061-T6 billet aluminum and anodized for wear and environmental protection. Each pulley is engraved with the running diameter size and state-of-the-art lightweight pockets to lower reciprocating mass as well as a guard feature to help unwanted belt wandering during hard running. Standard finish is hard coated black anodized. Dimension of each supercharger pulley is based off of the running diameter.
*A general rule of thumb is every .125" of pulley change is 1 psi of boost. There are no returns or exchanges for used pulleys.
**Whipple Supercharger pulleys are specific to the application. Do not order this pulley for a different application.

*Not for sale or street use in CA & CARB states. It has the potential to violate the Clean Air Act. 
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