6-Rib 4 Bolt Pulley 4.250" Black - SCP-64250-4

Whipple 6-Rib Pulley Black 4.250"

Whether its a replacement part you are looking for or an upgrade to your supercharger, this Whipple 6-Rib Supercharger Pulley is a purchase you won't regret. Made to perform in high rotation applications, it features textured groove patters that secure the belt, while its strong aluminum structure gives it a higher tolerance for heat.

The supercharged engine on your GT is already a beast in its own right. But you can further enhance it with the Whipple 6-Rib Supercharger Pulley. By this accessory spinning the supercharger to compress more air into the combustion chambers in the cylinders, your engine will consequently gain more power. The pulley has the diameter size engraved on it, and there are cutting-edge lightweight pockets for lowering reciprocating mass and a guard feature for assistance with unwanted belt wandering during hard running.