HKS PULLEY 8Rib-85mm

This 85mm pulley from HKS is made for 8-rib belt systems, offering a specific diameter that impacts the speed of your supercharger. When you change the pulley size on a supercharger, you're directly affecting how fast the supercharger spins relative to the engine's crankshaft. A smaller pulley, like this 85mm unit, will make the supercharger spin faster, which can increase boost pressure and potentially improve power output, especially at higher RPMs. HKS is known for well-built performance parts, and this pulley is no exception, crafted to integrate with your existing 8-rib setup.

The 8-rib belt system itself is a stronger design than the more common 6-rib setup, offering better grip and reduced slippage, which is crucial for maintaining consistent boost under demanding conditions. This means you can rely on the increased boost from the 85mm pulley to be delivered more reliably. It’s a solid option if you're looking to fine-tune your forced induction system and extract more performance from your supercharger setup.