aFe Supercharger Pulley Kit 3.10in - Dodge Hellcat Challenger Charger

aFe Power bolt-on supercharger power pulley kit. Reducing the pulley diameter spins the supercharger faster for more boost and power. CNC-machined 6061-T6 billet aluminum pulley on a 17-4 stainless steel hub, black hard-anodized. Special tools are required to remove the factory pulley; professional installation recommended. Tuning required. 3.10in (78.75mm) pulley - approx +1.5 PSI; uses the factory belt (no smaller belt required). Tuning recommended.

Specifications

Documents: Installation Instructions (PDF)

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy