Hellcat Upper Pulley Ring | Billet Aluminum

The FAS Hellcat Upper Pulley Ring is a precision-machined upgrade designed to increase boost and unlock additional horsepower on Hellcat and Demon superchargers. Crafted from billet aluminum, this pulley provides consistent performance and long-term reliability.

Available in multiple sizes to suit a range of builds, the pulley ring is a proven upgrade for both street and track applications. All pulleys are designed, engineered, and manufactured in-house by FAS Motorsports, the specialists in Hellcat supercharger modification.

Available Sizes:

• 2.40"
• 2.50"
• 2.60"
• 2.70"
• 2.80"
• 2.85"
• 3.10"

Key Features:

• CNC-machined billet aluminum construction
• Multiple sizes to match your horsepower goals
• Designed and built in-house by FAS Motorsports