ProCharger High Output Intercooled Supercharger Tuner Kit P-1SC (2003-2007 GM 1500 Classic Truck / SUV 4.8L 5.3L 6.0L) - 1GI203-SCI
High Output Intercooled Power for Custom GM 1500 Classic Builds
The ProCharger High Output Intercooled Supercharger Tuner Kit is designed for 2003-2007 GM 1500 Classic trucks and SUVs equipped with 4.8L, 5.3L, and 6.0L engines. This system provides the proven ProCharger hardware capable of delivering 55-65% horsepower gains when paired with proper custom tuning.
Built for enthusiasts who want full control over their setup, this kit is ideal for vehicles running 93 octane, E85, race fuel, or methanol injection, along with upgraded components such as cams, headers, exhaust systems, and fuel system modifications.
High Output Performance Across GM Engine Platforms
- 60-65%+ horsepower potential for 4.8L and 5.3L engines
- 55-60%+ horsepower potential for 6.0L engines
- 8-9 psi boost for 4.8L and 5.3L
- 7-8 psi boost for 6.0L
- Strong torque gains for towing and acceleration
- Smooth, linear power delivery
- Quiet operation for street-driven vehicles
P-1SC Supercharger with Air-to-Air Intercooling
At the core of the system is the reliable P-1SC centrifugal supercharger, paired with a highly efficient air-to-air intercooler to maintain consistent intake air temperatures under boost.
- P-1SC supercharger in satin finish
- 2-core horizontal air-to-air intercooler
- Optional 3-core intercooler upgrade available
- Large air-to-air intercooler design for improved cooling efficiency
- ProFlow blow-off valve included
- Complete tubing and charge piping included
Tuner Kit Configuration for Maximum Flexibility
This is a tuner kit, meaning it includes all major supercharger hardware but does NOT include ECU/TCU tuning or fuel system components. This allows you to fully customize your calibration and supporting hardware.
- No ECU or TCU tuning included
- No fuel system components included
- Same core hardware as the complete HO system
- Ideal for advanced builds and custom tuning setups
- Not emissions certified
Engineered for Durability and Easy Installation
ProCharger systems are designed for long-term durability and straightforward installation, utilizing factory-style mounting and drive systems.
- 200,000+ mile durability capability
- Quick and easy installation
- DIY-friendly design
- Utilizes factory 6-rib belt drive
- No permanent modifications required
- 100% reversible system
- Fuel mileage friendly under normal driving conditions
- Low maintenance operation
- Supercharger mounting minimizes heat exposure
Features
- High Output Intercooled Supercharger Tuner Kit
- P-1SC centrifugal supercharger
- 55-65%+ horsepower potential with proper tuning
- 2-core air-to-air intercooler (3-core optional)
- Factory 6-rib belt drive compatibility
- ProFlow blow-off valve included
- Complete tubing included
- No tuning or fuel components included
- Designed for custom high-performance builds
- Proudly made in the USA
Quick Specs
- Manufacturer: ProCharger
- Product Type: High Output Intercooled Supercharger Tuner Kit
- Head Unit: P-1SC
- Engine Compatibility: GM 4.8L / 5.3L / 6.0L
- Boost: 8-9 psi (4.8L/5.3L), 7-8 psi (6.0L)
- Horsepower Potential: 55-65%+
- Intercooler: 2-core air-to-air (3-core optional)
- Belt Drive: Factory 6-rib
- Tuning: Not included
- Fuel Components: Not included
- Warranty: 1-year standard, optional 3-year
- Part Number: 1GI203-SCI
FAQs
Does this kit include tuning?
No. This tuner kit requires custom ECU/TCU tuning and appropriate fuel system upgrades.
Is this kit emissions compliant?
No. Tuner kits are not emissions certified due to their customizable nature.
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
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for ProCharger systems and GM truck performance upgrades. We help you build the right combination for your goals.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
