ATI Performance Products ATI916163-5 Supercharger Pulley 8-Groove 5% Overdrive LT1/LT4 Dry Sump

The ATI Performance Products ATI916163-5 is a precision-engineered supercharger pulley designed specifically for GM LT1 and LT4 engines equipped with ProCharger superchargers and dry sump oiling systems. This 5% overdrive pulley enables increased boost pressure for enhanced horsepower and torque output.

Key Features:

• 8-groove serpentine belt design for reliable power transfer
• 9.602-inch diameter with 5% overdrive configuration
• Precision-machined construction for accurate fitment and balance
• Specifically engineered for ProCharged LT1/LT4 applications
• Dry sump system compatible
• Increased boost capability for power gains

This supercharger pulley is an essential upgrade component for enthusiasts looking to extract more performance from their forced-induction LT-platform engines. The 5% overdrive ratio spins the supercharger faster than stock, generating additional boost pressure while maintaining durability and reliability. ATI Performance Products manufactures this pulley to exacting standards for proper belt alignment and long service life.