ATI A-1R Procharger Supercharger Head Unit Only

This is an ATI / Procharger A-1R Satin Supercharger Head Unit only. These can be used on vehicles with a base horsepower of 50-95 and is capable of producing 150 horsepower!
Largest, Most Reliable Power Gains in the Industry.
Legendary ProCharger A-Series Superchargers
ATI’s self-contained (SC) ProCharger models are the first and only gear-driven centrifugal superchargers to feature self-lubrication, and contain the industry’s most advanced technology. In addition to the patented oiling design, SC ProChargers also feature the highest step-up ratio, exclusive billet impellers, and the industry's only billet gearcases for superior rigidity, sealing and appearance. These proven self-contained ProChargers were designed specifically for internal lubrication and have become the industry standard.

ProCharger A-1R Specs:
Base HP Range of NA Engine: 50-95 HP
Maximum Supercharged HP Rating: 150 HP
Maximum Airflow: 450 cfm
Maximum Boost: 15 psi
Inlet Diameter: 3" inches
Outlet Diameter: 2" inches
Maximum Impeller RPM: 75,000rpm
Internal Step-up Ratio: 4.11:1
Self-Contained Oiling: Yes
Reverse Rotation Available: Yes