ProCharger High Output Intercooled Supercharger System with P-1SC-1 (2004 Pontiac GTO LS1) - 1GN212-SCI
High Output Intercooled Power for 2004 LS1 Pontiac GTO
Unlock the full performance potential of your 2004 Pontiac GTO LS1 with the ProCharger High Output Intercooled Supercharger System. Designed for maximum efficiency and reliability, this system delivers 7 psi of intercooled boost and 50-55%+ horsepower gains on stock engines running pump gas.
Built around the efficient P-1SC-1 centrifugal supercharger, this complete system provides cooler charge air temperatures, strong top-end power, and consistent performance across the RPM range.
Proven Performance That Outpaces the Competition
With advanced compressor design and superior intercooling, this system delivers significantly higher gains than many competing setups.
- 50-55%+ horsepower gains on stock LS1 engines
- 7 psi of intercooled boost on pump gas
- Outperforms systems producing only 29-40% gains at similar boost levels
- Improved engine longevity with cooler intake temperatures
P-1SC-1 Supercharger - Reliable and Efficient Power
The P-1SC-1 head unit is engineered for durability and consistent performance across LS-based platforms.
- Self-contained oiling system - no external oil lines required
- Optional 3-year warranty available
- Proven technology used in LS1 F-body and C5 Corvette systems
- 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 reduce intake temperatures and maximize performance.
- Cooler intake charge for increased horsepower
- Reduced detonation risk under boost
- Improved consistency and long-term reliability
Complete Bolt-On System with OEM-Level Fitment
Engineered as a 100% complete system, this kit delivers a clean installation and factory-like appearance.
- Includes handheld programmer and fuel injectors
- OEM-quality mounting brackets and hardware
- No permanent modifications required - fully reversible
- Clean engine bay appearance
Fast and Simple Installation
Designed for efficiency, this system installs significantly faster than many competing supercharger setups.
- 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
Dedicated Drive System and Boost Control
A dedicated 8-rib supercharger drive system ensures reliable power transfer and consistent boost levels.
- Improved belt grip and reduced slip
- ProFlow blow-off valve included
- Stable boost delivery 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 cooling 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
- Handheld tuner included
- Fuel injectors included
- OEM-quality mounting brackets
- 100% complete bolt-on 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 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
- Tuning: Handheld programmer included
- Fuel System: Fuel injectors included
- Blow-Off Valve: ProFlow included
- Oiling System: Self-contained
- Engine: LS1
- Vehicle: Pontiac GTO
- Part Number: 1GN212-SCI
FAQs
What kind of gains can I expect from this system?
This system delivers 50-55%+ horsepower gains on a stock LS1 engine with 7 psi of intercooled boost.
Is this a complete kit for installation?
Yes, this is a complete bolt-on system that includes injectors and a handheld tuner, requiring no additional major components.
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
