ProCharger High Output Intercooled Supercharger Tuner Kit with P-1SC-1 (2004 Pontiac GTO LS1) - 1GN202-SCI
Intercooled Tuner Kit for 2004 LS1 Pontiac GTO Custom Builds
Take full control of your 2004 Pontiac GTO LS1 build with the ProCharger High Output Intercooled Supercharger Tuner Kit. Designed for experienced enthusiasts, this system delivers the same proven hardware as the complete HO system while allowing you to customize fueling, tuning, and overall performance strategy.
Capable of producing 7 psi of intercooled boost and 50-55%+ horsepower gains, this system is ideal for those pushing beyond standard setups using custom tuning, upgraded components, and alternative fuels.
Built for Custom Tuning and Maximum Flexibility
This tuner kit configuration is intended for builders who want complete control over their setup.
- Designed for custom ECU tuning solutions
- Ideal for 93 octane, race fuel, E85, or methanol injection setups
- Perfect for upgraded heads, camshafts, headers, and exhaust systems
- No tuning or fuel components included
Complete HO Hardware - No Fueling or Calibration Included
Tuner kits include all core ProCharger hardware while omitting key components to allow full customization.
- Identical supercharger and intercooler hardware as HO systems
- No handheld tuner included
- No fuel injectors or fuel system components included
- Not emissions certified due to customizable configuration
P-1SC-1 Supercharger - Proven LS Performance
The P-1SC-1 centrifugal supercharger delivers efficient airflow and reliable power across LS platforms.
- Self-contained oiling system - no external oil lines required
- Optional 3-year warranty available
- Proven on LS1 F-body and C5 Corvette applications
- Upgradeable to D-1SC for higher horsepower builds
Air-to-Air Intercooling for Maximum Efficiency
This system includes a front-mounted air-to-air intercooler to control intake temperatures and maximize performance.
- Cooler intake charge for increased horsepower
- Reduced detonation risk under boost
- Improved consistency and engine reliability
Fast and Clean Installation
Designed for efficiency, this system installs significantly faster than many competing systems.
- Installs in approximately half the time of comparable systems
- No oil pan modification required
- No intake manifold replacement needed
- No complex air-to-water intercooler systems
- OEM-style fit and appearance
Dedicated Drive System and Boost Control
A dedicated 8-rib supercharger drive system ensures reliable power transfer and consistent boost delivery.
- Improved belt grip and reduced slip
- ProFlow blow-off valve included
- Stable boost under load
Performance Highlights
- 7 psi intercooled boost
- 50-55%+ horsepower gains
- P-1SC-1 supercharger for efficient airflow
- Air-to-air intercooling for maximum efficiency
- Designed specifically for 2004 Pontiac GTO LS1
Key Features
- P-1SC-1 centrifugal supercharger included
- Front-mounted air-to-air intercooler
- Self-contained oiling system
- ProFlow blow-off valve included
- 8-rib dedicated supercharger drive system
- OEM-quality mounting brackets
- No tuning or fuel system components included
- 100% complete hardware system
- No permanent modifications required
- Designed and manufactured in the USA
Available Options
- Black or polished supercharger and bracket finish
- Helical gear set for noise reduction (P-1SC-1, D-1SC)
- Race blow-off valve upgrade
- 1,300 HP race intercooler upgrade (minor modifications required)
- ATI Performance Products balancer
Why Choose ProCharger
- 30+ years of forced induction innovation
- Industry-leading horsepower gains
- Coolest charge air temperatures available
- Street legal system options available
- Most wins and championships
- OEM-level quality and appearance
- Industry-leading service and support
- Most systems ship within 2-3 days
- Proudly made in the USA
Quick Specs
- Manufacturer: ProCharger
- Product Type: High Output Intercooled Tuner Supercharger System
- Supercharger: P-1SC-1
- Boost Level: 7 psi
- Estimated HP Gain: 50-55%+
- Intercooler: Front-mounted air-to-air intercooler
- Drive System: 8-rib dedicated drive
- Fuel System: Not included
- Tuning: Not included
- Blow-Off Valve: ProFlow included
- Oiling System: Self-contained
- Engine: LS1
- Vehicle: Pontiac GTO
- Part Number: 1GN202-SCI
FAQs
Why choose a tuner kit for my GTO?
A tuner kit gives you complete control over fueling and calibration, making it ideal for custom builds and higher performance goals.
Does this kit include injectors or tuning?
No, this is a true tuner kit, meaning fuel injectors and tuning are not included so you can fully customize your setup.
Fitment
- 2004 Pontiac GTO 5.7L LS1
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for ProCharger systems and LS performance upgrades. We work directly with ProCharger to ensure you get the right setup and expert support for your build.
From street performance to high-horsepower builds, our team is here to help you maximize results.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
