ProCharger High Output Intercooled Tuner Kit w/ P-1SC (1GI203-SCI) - 2003-2007 GM 1500 Classic Trucks & SUVs 4.8 5.3 6.0
Take full control of your GM 1500 Classic truck or SUV build with the ProCharger High Output Intercooled Supercharger Tuner Kit. Designed for 2003-2007 GM 1500 Classic platforms equipped with 4.8L, 5.3L, and 6.0L engines, this system delivers proven ProCharger performance while allowing you to customize fueling and tuning to match your exact goals.
Built around the reliable P-1SC head unit and paired with air-to-air intercooling, this tuner kit provides the foundation for serious horsepower gains and scalable performance.
Tuner Kit Flexibility
This system includes all core supercharger hardware but does not include fuel system components or tuning, giving you complete control over your setup.
- No ECU or TCU tuning included
- No fuel injectors, pump, or supporting fuel components included
- Designed for custom tuning and advanced builds
- Ideal for E85, race fuel, or methanol injection setups
- Not emissions compliant
P-1SC Supercharger System
The P-1SC centrifugal supercharger delivers efficient airflow and dependable boost for both street and high-performance applications.
- P-1SC head unit in satin finish
- Self-contained oiling system with no external oil lines
- 55-65% horsepower potential with proper tuning
- Smooth, linear power delivery
Air-to-Air Intercooling
This system features a high-efficiency intercooler setup designed to maintain stable intake temperatures under boost.
- 2-core air-to-air intercooler standard
- Optional 3-core intercooler upgrade available
- Reduces intake air temperatures
- Improves combustion efficiency and reliability
Factory 6-Rib Drive System
The system utilizes the factory 6-rib belt drive for reliable operation and easy installation.
- Factory 6-rib belt drive compatibility
- No permanent modifications required
- Fully reversible installation
- Designed for long-term durability
Performance Highlights
- 55-65% horsepower potential with proper tuning
- 8-9 psi boost on 4.8L and 5.3L engines
- 7-8 psi boost on 6.0L engines
- Intercooled High Output system design
- Built for custom tuning and high-performance applications
Features
- P-1SC ProCharger centrifugal supercharger
- High Output intercooled system design
- 2-core air-to-air intercooler (3-core optional)
- 6-rib factory belt drive system
- ProFlow blow-off valve included
- Self-contained oiling system
- Complete tubing and mounting hardware included
- OEM-quality fit and finish
- Designed for custom tuning and upgraded builds
- Made in the USA
Additional Notes
- Requires custom tuning and upgraded fuel system
- Best suited for modified or high-performance applications
Fitment
- 2003 Chevrolet Silverado 1500 4.8L
- 2003 Chevrolet Silverado 1500 5.3L
- 2003 Chevrolet Silverado 1500 6.0L
- 2003 GMC Sierra 1500 4.8L
- 2003 GMC Sierra 1500 5.3L
- 2003 GMC Sierra 1500 6.0L
- 2004 Chevrolet Silverado 1500 4.8L
- 2004 Chevrolet Silverado 1500 5.3L
- 2004 Chevrolet Silverado 1500 6.0L
- 2004 GMC Sierra 1500 4.8L
- 2004 GMC Sierra 1500 5.3L
- 2004 GMC Sierra 1500 6.0L
- 2005 Chevrolet Silverado 1500 4.8L
- 2005 Chevrolet Silverado 1500 5.3L
- 2005 Chevrolet Silverado 1500 6.0L
- 2005 GMC Sierra 1500 4.8L
- 2005 GMC Sierra 1500 5.3L
- 2005 GMC Sierra 1500 6.0L
- 2006 Chevrolet Silverado 1500 4.8L
- 2006 Chevrolet Silverado 1500 5.3L
- 2006 Chevrolet Silverado 1500 6.0L
- 2006 GMC Sierra 1500 4.8L
- 2006 GMC Sierra 1500 5.3L
- 2006 GMC Sierra 1500 6.0L
- 2007 Chevrolet Silverado 1500 Classic 4.8L
- 2007 Chevrolet Silverado 1500 Classic 5.3L
- 2007 Chevrolet Silverado 1500 Classic 6.0L
- 2007 GMC Sierra 1500 Classic 4.8L
- 2007 GMC Sierra 1500 Classic 5.3L
- 2007 GMC Sierra 1500 Classic 6.0L
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