Ultra Lightweight Pulley Whipple kits early 2000 to current. Made from billet 7075-T6 aerospace grade aluminum. Stronger and harder than 6061 T6. This pulley is equipped with GripTec a micro machining technology. This technology allows the maximum grip force to be applied to the component and belt without damaging your belt. You wont have to worry about belt slip with GripTec. Get the maximum performance out of your supercharger.

Ribs: 6
Level 3 GripTecMaterial: 7075-T6 Aluminum
Color: Black
Finish: Type III Anodized
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Want to add or lower the boost on your new Whipple W140ax? Then you'll need one of these super high quality Whipple made supercharger pulleys. Please specify which size pulley you want when ordering.

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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 light weight pockets to lower recipocating 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 1psi 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.Learn More

Need to adjust the boost on your Whipple equipped 03-04 Cobra? Then look no further as Whipple manufactures these high quality pulleys in several different sizes, ranging from 2.75" all the way up to 4.00" in .125" (1/8") increments. A rule of thumb is that each 1/8" of pulley diameter is about 1 psi in boost change. The pulleys are machined from billet aluminum and then black anodized. No special tools required for installation as they are secured with the same 4 allen head bolts used to mount the original pulley.

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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 features 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.

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