ATI ProCharger F-1A Head Unit To F-1R Head Unit Send-In Upgrade Service

This is an ATI / ProCharger F-1A Head unit send-in service upgrading your headunit to the F-1R head unit! This service is perfect for those looking to upgrade their current head unit. Note: This does not include the F-1A head unit, this is a send-in service to upgrade your F-1A head unit to the F-1R headunit.
ProCharger F-1R Upgrade Specs:
Base HP Range of NA Engine: 375-550 HP (Compared to the F-1A Head unit 300-500HP) 
Maximum Supercharged HP Rating: 1250 HP (Compared to the F-1A Head unit 1100HP) 
Maximum Airflow: 1,700 cfm (Compared to the F-1A Head unit 1,575 cfm) 
Maximum Boost: 38 psi
Inlet Diameter: 4.05 inches
Outlet Diameter: 3 inches
Maximum Impeller RPM: 68,000
Internal Step-up Ratio: 5.40:1
Self-Contained Oiling: Yes
Reverse Rotation Available: Yes