ProCharger High Output Intercooled Supercharger System P-1SC (1GI212-SCI) - 1999-2003 Silverado & Sierra 4.8L/5.3L/6.0L
Massive Power Gains for GM Truck Platforms
Transform your 1999-2003 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.
Engineered for reliable, repeatable performance, this system maintains excellent drivability while significantly increasing power for towing, daily driving, or performance use.
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
- Improves combustion efficiency and power output
- Delivers consistent performance in demanding conditions
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
- Reliable, low-maintenance operation
- 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
- 1999 Chevrolet Silverado 1500 4.8L
- 1999 Chevrolet Silverado 1500 5.3L
- 1999 Chevrolet Silverado 2500 6.0L
- 2000 Chevrolet Silverado 1500 4.8L
- 2000 Chevrolet Silverado 1500 5.3L
- 2000 Chevrolet Silverado 2500 6.0L
- 2001 Chevrolet Silverado 1500 4.8L
- 2001 Chevrolet Silverado 1500 5.3L
- 2001 Chevrolet Silverado 2500 6.0L
- 2002 Chevrolet Silverado 1500 4.8L
- 2002 Chevrolet Silverado 1500 5.3L
- 2002 Chevrolet Silverado 2500 6.0L
- 2003 Chevrolet Silverado 1500 4.8L
- 2003 Chevrolet Silverado 1500 5.3L
- 2003 Chevrolet Silverado 2500 6.0L
- 1999 GMC Sierra 1500 4.8L
- 1999 GMC Sierra 1500 5.3L
- 1999 GMC Sierra 2500 6.0L
- 2000 GMC Sierra 1500 4.8L
- 2000 GMC Sierra 1500 5.3L
- 2000 GMC Sierra 2500 6.0L
- 2001 GMC Sierra 1500 4.8L
- 2001 GMC Sierra 1500 5.3L
- 2001 GMC Sierra 2500 6.0L
- 2002 GMC Sierra 1500 4.8L
- 2002 GMC Sierra 1500 5.3L
- 2002 GMC Sierra 2500 6.0L
- 2003 GMC Sierra 1500 4.8L
- 2003 GMC Sierra 1500 5.3L
- 2003 GMC Sierra 2500 6.0L
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

