ProCharger Stage II Intercooled Supercharger System with P-1SC-1 (1999-2007 GM 1500 Classic Truck / SUV 4.8L 5.3L 6.0L) - 1GI512-SCI
Stage II Intercooled Supercharger System for GM 1500 Classic Trucks and SUVs
The ProCharger Stage II Intercooled Supercharger System delivers aggressive performance gains for 1999-2007 GM 1500 Classic trucks and SUVs equipped with 4.8L, 5.3L, and 6.0L engines. Designed as a complete turnkey solution, this system provides 55-65% horsepower gains on 93 octane while maintaining factory-like drivability and long-term durability.
Built for both street and work applications, this system offers increased towing power, smooth throttle response, and quiet operation, making it ideal for daily-driven trucks that demand serious performance.
Stage II Power and Performance Gains
- 55-65%+ horsepower gains on 93 octane
- Significant torque increase for towing and hauling
- Smooth, linear power delivery
- Excellent drivability on-road and off-road
- Quiet operation for daily driving and work trucks
P-1SC-1 Supercharger with Advanced Intercooling
At the heart of the system is the P-1SC-1 centrifugal supercharger, paired with a high-capacity intercooling system designed to maximize airflow and reduce intake air temperatures under boost.
- P-1SC-1 supercharger head unit
- 3-core vertical air-to-air intercooler
- Large intercooler design for optimal cooling efficiency
- ProFlow blow-off valve included
- Complete tubing and charge piping included
Stage II System Advantages Over HO Kits
- 8-rib dedicated supercharger drive system
- Improved belt grip and boost stability
- 3-core vertical intercooler for enhanced cooling capacity
- Higher performance capability compared to standard HO systems
Complete Turnkey System with Tuning and Fuel Included
This Stage II system includes all required components for safe and reliable boosted performance right out of the box.
- ECU and TCU tuning included
- Handheld programmer included
- Fuel system upgrades included
- Calibrated for 93 octane operation
- 50-state street legal configurations available
Engineered for Durability and Easy Installation
ProCharger systems are designed for long-term reliability and straightforward installation, making them ideal for both DIY installs and professional builds.
- 200,000+ mile durability capability
- Quick and easy installation
- DIY-friendly design
- No permanent modifications required
- 100% reversible system
- Fuel mileage friendly under normal driving conditions
- Low maintenance operation
- Supercharger mounting minimizes heat exposure
Features
- Stage II intercooled supercharger system
- P-1SC-1 centrifugal supercharger
- 55-65%+ horsepower gains
- 3-core vertical air-to-air intercooler
- 8-rib dedicated belt drive system
- ECU/TCU tuning and handheld included
- Fuel system upgrades included
- ProFlow blow-off valve included
- Complete tubing and hardware included
- OEM-level drivability and reliability
- Proudly made in the USA
Quick Specs
- Manufacturer: ProCharger
- Product Type: Stage II Intercooled Supercharger System
- Head Unit: P-1SC-1
- Engine Compatibility: GM 4.8L / 5.3L / 6.0L
- Horsepower Gain: 55-65%+
- Intercooler: 3-core vertical air-to-air
- Belt Drive: 8-rib dedicated drive
- Tuning: Included
- Fuel Components: Included
- Warranty: 1-year standard, optional 3-year
- Part Number: 1GI512-SCI
FAQs
What makes Stage II better than HO systems?
Stage II systems include an 8-rib dedicated drive and a larger 3-core intercooler for improved boost control and higher performance capability.
Is this a complete system?
Yes. This kit includes tuning, fuel system upgrades, and all hardware required for installation.
Fitment
- 1999 Chevrolet Silverado 1500 4.8L
- 1999 Chevrolet Silverado 1500 5.3L
- 1999 Chevrolet Silverado 1500 6.0L
- 1999 GMC Sierra 1500 4.8L
- 1999 GMC Sierra 1500 5.3L
- 1999 GMC Sierra 1500 6.0L
- 2000 Chevrolet Silverado 1500 4.8L
- 2000 Chevrolet Silverado 1500 5.3L
- 2000 Chevrolet Silverado 1500 6.0L
- 2000 GMC Sierra 1500 4.8L
- 2000 GMC Sierra 1500 5.3L
- 2000 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 ensure your setup is dialed in for maximum performance and reliability.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
