ALTA Performance AMP-ENG-200V2 Supercharger Pulley 15% Reduction

The ALTA Performance AMP-ENG-200V2 is a precision-engineered supercharger pulley designed to deliver an impressive 15-20 horsepower gain with no additional engine or ECU modifications required. This 15% reduction pulley increases boost by 3-5 PSI, transforming your supercharged engine's performance with a simple bolt-on installation.

Advanced Engineering Features:

• Constructed from lightweight 6061-T6 aluminum to reduce rotational inertia and improve throttle response
• Stainless steel shaft coupler with Direct Torque Technology (DTT) clamps onto the supercharger shaft instead of wedging, providing superior grip
• Open-end installation aperture allows visual verification that the shaft collar is fully seated
• Cross-drilled holes through the pulley and over each groove increase belt grip and reduce slippage
• Oversized belt retainers prevent belt jumping and ensure consistent operation
• Precision balanced to within 0.02 grams at high RPM for smooth operation
• Works on supercharger shafts worn down by as much as 0.020 inches

Design Excellence:

• Two-piece taper fit design pioneered by ALTA Performance in 2002
• Machined from solid billet aluminum on a lathe for perfect symmetry and natural balance
• Decorative end cap faceplate provides a clean, professional appearance
• Cooling holes drilled into belt retainers keep pulley temperatures in check
• Different expansion rates of stainless steel and aluminum components are accounted for in the design

Installation is straightforward using the ALTA pulley removal tool (sold separately). This V2 version represents the evolution of ALTA's industry-leading pulley technology with improved ease of installation and enhanced performance results. Backed by a 60-month warranty.