ProCharger High Output Intercooled Supercharger System P-1SC (1GI213-SCI) - 2003-2007 Silverado & Sierra 4.8L/5.3L/6.0L
Massive Power Gains for GM Truck Platforms
Upgrade your 2003-2007 Chevy Silverado or GMC Sierra with the ProCharger High Output Intercooled Supercharger System. Designed for 4.8L, 5.3L, and 6.0L engines, this complete system delivers 55-65% horsepower gains on otherwise stock engines running pump gas.
Built for real-world performance, this system provides strong, reliable power gains while maintaining drivability for daily use, towing, and performance applications.
Intercooled Performance for Consistent Power
The included air-to-air intercooler system helps control intake temperatures, ensuring stable performance under load.
- 2-core horizontal air-to-air intercooler included
- Optional 3-core intercooler upgrade available
- Reduces heat soak during towing and heavy use
- Improves combustion efficiency and power consistency
P-1SC Supercharger - Proven Power and Efficiency
At the heart of the system is the P-1SC centrifugal supercharger, known for reliability, efficiency, and smooth power delivery.
- P-1SC centrifugal supercharger head unit (satin finish)
- Self-contained oiling system with no external oil lines
- Efficient airflow for strong top-end performance
- Optional 3-year supercharger warranty available
Complete System with Fueling and Tuning Included
This High Output system includes all major components required for installation and operation, making it a true bolt-on solution.
- Fuel system upgrades included (FMU and fuel pump)
- ECU and TCU tuning provided
- Handheld programmer included
- ProFlow anti-surge bypass valve included
- Complete tubing, brackets, and mounting hardware included
Engine-Specific Performance
- 4.8L / 5.3L: 60-65%+ horsepower gains at 8-9 psi
- 6.0L: 55-60%+ horsepower gains at 7-8 psi
Factory Integration and Easy Installation
Designed for straightforward installation, this system integrates cleanly with factory components for a reliable and clean setup.
- Utilizes factory 6-rib belt drive system
- No external oil feed or return lines required
- Minimal component relocation needed
- OEM-style fit and finish
Performance Highlights
- 55-65% horsepower gains on stock engines
- Engine-specific boost levels for optimized performance
- Intercooled system for consistent power delivery
- Complete system with fuel and tuning included
- Designed for GM truck and SUV platforms
Features
- P-1SC ProCharger centrifugal supercharger
- Self-contained oiling system
- 2-core air-to-air intercooler
- ProFlow anti-surge bypass valve included
- Factory 6-rib belt drive compatibility
- Fuel system upgrades included
- ECU and TCU tuning included
- Handheld programmer included
- Complete tubing and installation hardware
- OEM-quality mounting brackets
Additional Notes
- Optional 3-core intercooler upgrade available
- Optional supercharger finish upgrades offered
- Designed for street, towing, and performance use
Fitment
- 2003 Chevrolet Silverado 1500 4.8L
- 2003 Chevrolet Silverado 1500 5.3L
- 2003 Chevrolet Silverado 2500 6.0L
- 2004 Chevrolet Silverado 1500 4.8L
- 2004 Chevrolet Silverado 1500 5.3L
- 2004 Chevrolet Silverado 2500 6.0L
- 2005 Chevrolet Silverado 1500 4.8L
- 2005 Chevrolet Silverado 1500 5.3L
- 2005 Chevrolet Silverado 2500 6.0L
- 2006 Chevrolet Silverado 1500 4.8L
- 2006 Chevrolet Silverado 1500 5.3L
- 2006 Chevrolet Silverado 2500 6.0L
- 2007 Chevrolet Silverado 1500 4.8L
- 2007 Chevrolet Silverado 1500 5.3L
- 2007 Chevrolet Silverado 2500 6.0L
- 2003 GMC Sierra 1500 4.8L
- 2003 GMC Sierra 1500 5.3L
- 2003 GMC Sierra 2500 6.0L
- 2004 GMC Sierra 1500 4.8L
- 2004 GMC Sierra 1500 5.3L
- 2004 GMC Sierra 2500 6.0L
- 2005 GMC Sierra 1500 4.8L
- 2005 GMC Sierra 1500 5.3L
- 2005 GMC Sierra 2500 6.0L
- 2006 GMC Sierra 1500 4.8L
- 2006 GMC Sierra 1500 5.3L
- 2006 GMC Sierra 2500 6.0L
- 2007 GMC Sierra 1500 4.8L
- 2007 GMC Sierra 1500 5.3L
- 2007 GMC Sierra 2500 6.0L
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

