ProCharger Stage II Intercooled Supercharger w/ P-1SC-1 Tuner Kit 1GI502-SCI - 1999-07 GM 1500 Truck/SUV

The ProCharger 1GI502-SCI Supercharger System is engineered to deliver extreme horsepower and torque gains through a high-efficiency centrifugal supercharger design. Built for serious performance applications, this system provides smooth, linear boost that increases with engine RPM, improving acceleration while delivering exceptional top-end power and reliable drivability.

An advanced intercooling system helps reduce intake air temperatures, allowing for a denser air charge and improved combustion efficiency. Designed as a complete, precision-matched package, the 1GI502-SCI ensures consistent, repeatable performance along with long-term durability and proper fitment under demanding conditions.

Ideal For

• High-horsepower street builds
• Performance and competition applications
• Track and drag racing setups
• Enthusiasts seeking maximum forced induction performance

Features & Specifications

• Centrifugal supercharger for progressive, RPM-based boost
• Self-contained oiling system (no engine oil tap required)
• Precision-engineered mounting brackets and hardware
• Heavy-duty belt-driven system for reliable boost delivery
• Significant horsepower and torque increases
• Strong high-RPM performance and throttle response

Notes

• Model year must be specified
• Specify 2WD or 4WD, Truck or SUV
• Specify engine size
• Modifications and custom tuning required for HD/2500 Series applications (Tuner Kits only)
• Specify if hydroboost option DA6) Specify stock or aftermarket balancer (utilizes ATI Balancer P/N 918635)
• Due to the wide variance of chassis and options available, modifications may be required
• Specify stock or aftermarket balancer (utilizes ATI Balancer P/N 918635
• Electric fan conversion required (sold separately by others)
• 10-rib belt upgrade requires ATI balancer #918635, not provided