ProCharger Stage II Intercooled Tuner Supercharger Kit with P-1SC-1 - Satin Finish (1997-2004 Corvette C5 LS1) - 1GK404-SCI
Stage II Power Full Custom Tuning Freedom for LS1 C5
The ProCharger Stage II Intercooled Tuner Kit is built for 1997-2004 Corvette C5 LS1 owners who want serious horsepower potential with complete control over their tuning setup. Capable of delivering 55%+ horsepower gains at 7 psi of boost, this system includes all the proven Stage II hardware while leaving calibration and fueling entirely up to you.
Ideal for advanced builds, this tuner kit is designed for enthusiasts running custom tuning, upgraded engine components, and alternative fuels such as E85, race fuel, or methanol injection.
P-1SC-1 Supercharger - Proven LS1 Performance
At the core of this system is the P-1SC-1 centrifugal supercharger, delivering efficient airflow and reliable boost across the RPM range.
- Produces 7 psi of boost for strong performance gains
- Self-contained oiling system - no external oil lines required
- Durable, low maintenance design
- Smooth drivability with strong top-end power
Twin High-Flow Intercooler System
This system includes dual 4.5 inch twin high-flow air-to-air intercoolers, engineered to reduce intake temperatures and support higher performance tuning.
- Improves horsepower by lowering intake temps
- Enhances detonation resistance
- Supports aggressive tuning strategies
- High-flow inlet design for maximum efficiency
Stage II Platform for Expanded Performance Potential
The Stage II system offers increased flexibility and upgrade capability compared to standard HO systems, making it ideal for builds that will continue to evolve.
- 100% complete hardware system
- Designed for higher horsepower potential
- Supports upgraded head units and drive systems
- Upgradeable to dedicated 8-rib configurations
Tuner Kit Configuration - Built for Custom Builds
This tuner kit includes all major hardware but does NOT include PCM tuning, handheld tuner, or fuel system components, allowing for full customization.
- No tuning included - designed for custom calibration
- No fuel components included
- Ideal for modified engines with cams, heads, headers, and exhaust upgrades
- Supports alternative fuels including E85, race fuel, and methanol injection
- Not emissions certified due to custom nature
Engineered for LS1 Performance and Reliability
ProCharger pioneered complete supercharger systems for LS1 Corvettes, setting the standard for power and durability. This Stage II system continues that legacy with OEM-quality fitment, reliable performance, and proven engineering.
Performance Highlights
- 55%+ horsepower potential with proper tuning
- 7 psi boost capability
- P-1SC-1 supercharger with satin finish
- Twin 4.5 inch high-flow intercoolers
- Stage II platform for future upgrades
- Designed for custom tuning setups
Key Features
- P-1SC-1 ProCharger centrifugal supercharger
- Satin finish head unit and brackets
- Twin 4.5 inch high-flow air-to-air intercoolers
- 6-rib belt drive system
- ProFlow blow-off valve included
- Self-contained oiling system
- Bolt-on installation with no permanent modifications
- High-flow intake tubing and mounting hardware included
- Compatible with LS1 Corvette C5 platforms
- 1-year standard warranty with optional 3-year upgrade
- Made in the USA
Available Options
- Black or polished supercharger and bracket finish
- Helical gearset for reduced noise
- P-1X or D-1X supercharger upgrades
- F-1 series head unit upgrades (requires 8-rib drive)
- 8-rib dedicated drive upgrade
- Race blow-off valve upgrade
Quick Specs
- Manufacturer: ProCharger
- Product Type: Stage II Intercooled Tuner Supercharger System
- Supercharger: P-1SC-1
- Boost Level: 7 psi
- Horsepower Potential: 55%+
- Engine Application: 5.7L LS1 V8
- Vehicle Fitment: 1997-2004 Corvette C5
- Intercooler: Twin 4.5 inch air-to-air intercoolers
- Drive System: 6-rib belt drive
- Tuning: Not included
- Fuel Components: Not included
- Blow-Off Valve: ProFlow included
- Oiling System: Self-contained
- Finish: Satin
- Part Number: 1GK404-SCI
FAQs
What makes the Stage II tuner kit different from the full system?
The tuner kit includes all hardware but does not include tuning, handheld tuner, or fuel system components, allowing full customization for advanced builds.
Who is this kit best suited for?
This kit is ideal for experienced builders and tuners planning to run custom calibration, upgraded engine components, and alternative fuels like E85 or race gas.
Fitment
- 1997 Chevrolet Corvette C5 LS1
- 1998 Chevrolet Corvette C5 LS1
- 1999 Chevrolet Corvette C5 LS1
- 2000 Chevrolet Corvette C5 LS1
- 2001 Chevrolet Corvette C5 LS1
- 2002 Chevrolet Corvette C5 LS1
- 2003 Chevrolet Corvette C5 LS1
- 2004 Chevrolet Corvette C5 LS1
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for ProCharger systems and LS-based Corvette performance builds. We help you choose the right setup for your goals, whether you're building a custom-tuned street car or a high-horsepower setup.
With direct access to ProCharger and real-world experience, we provide expert guidance, fast shipping, and unmatched support.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
