ALTA Performance AMP-ENG-205V2 17% Reduction Supercharger Pulley V2

The ALTA Performance AMP-ENG-205V2 is a precision-engineered 17% reduction supercharger pulley designed to deliver substantial performance gains for supercharged MINI Cooper applications. This Version 2.0 pulley represents ALTA's latest evolution in pulley technology, featuring their innovative two-piece taper-fit design that has become the industry standard.

Performance Benefits:

• Increases horsepower by approximately 20 WHP with no additional engine or ECU modifications required
• Raises boost pressure by 3-5 PSI for immediate power gains
• Ultra-lightweight 6061-T6 aluminum construction reduces rotational inertia for improved throttle response
• Precision-balanced to within 0.02 grams for smooth operation

Advanced Design Features:

• Stainless steel supercharger shaft coupler with Direct Torque Technology (DTT) for superior grip and preventing slippage
• Installation site aperture allows visual confirmation of proper shaft collar seating
• Oversized belt retainers with grooved teeth prevent belt jumping and increase grip
• Cross-drilled cooling holes in belt retainers manage operating temperatures
• Decorative end cap faceplate provides a clean, professional appearance
• Compatible with worn supercharger shafts up to 0.020 inches

Installation:

The Version 2.0 design significantly simplifies installation compared to previous generations. Simply lift the engine, remove the stock pulley using the ALTA pulley puller tool, slide the new pulley onto the supercharger shaft, tighten the mounting bolts, and lower the engine back into place. No supercharger removal required.

What's Included:

• 17% reduction supercharger pulley assembly
• Stainless steel shaft coupler with DTT
• Mounting hardware
• Decorative end cap