ProCharger Stage II Intercooled Tuner Supercharger Kit w/ D-1SC (1GY704-SCI) - 2016-2019 Cadillac CTS-V LT4
Take your Cadillac CTS-V to the next level with the ProCharger Stage II Intercooled Tuner Supercharger Kit. Designed for 2016-2019 CTS-V LT4 platforms, this system replaces the factory supercharger with a high-efficiency centrifugal setup, delivering increased airflow, cooler charge temperatures, and the potential for substantially higher horsepower.
Built around the proven D-1SC head unit and a larger Stage II air-to-air intercooler, this kit is engineered for enthusiasts who want maximum flexibility and performance. Whether you're building a high-performance street car or pushing toward extreme horsepower, this system provides the foundation for a fully customized setup.
Stage II Intercooler Upgrade
The larger Stage II intercooler is designed to handle increased airflow and boost levels for improved performance and reliability.
- Increased cooling capacity for higher horsepower builds
- Lower intake temperatures for improved efficiency
- Reduced heat soak under demanding conditions
- Supports more aggressive tuning and boost levels
D-1SC Supercharger Performance
The D-1SC centrifugal supercharger delivers strong top-end power and reliable performance with minimal maintenance.
- High-efficiency centrifugal compressor design
- Self-contained oiling system with no external oil lines
- Excellent airflow for high-performance applications
- Durable construction for long-term reliability
Tuner Kit Configuration
This system is designed for builders who want full control over fueling and calibration.
- No tuning included - custom calibration required
- No fuel system components included
- Supports E85, race fuel, and methanol injection
- Ideal for modified engines with cams and exhaust upgrades
- Not emissions certified
8-Rib Drive System and Hardware
The included 8-rib belt drive system ensures consistent boost delivery under increased load.
- Improved belt grip and reduced slip
- Reliable performance at higher boost levels
- Bullet blow-off valve included for boost control
Complete Bolt-On Design
Engineered for clean installation and factory-like integration, this system maintains OEM-level fitment and drivability.
- Bolt-on installation using common tools
- OEM-quality fit and finish
- Reversible system with no permanent modifications
- Clean engine bay appearance
Performance Highlights
- Stage II intercooled supercharger system
- D-1SC high-output centrifugal supercharger
- Larger air-to-air intercooler for improved cooling
- 8-rib drive system for consistent boost
- Designed for high-performance LT4 builds
Features
- D-1SC centrifugal supercharger
- Self-contained oiling system
- Stage II air-to-air intercooler system
- 8-rib belt drive system
- Bullet blow-off valve included
- Complete tubing and installation hardware
- Designed for custom tuning and calibration
- OEM drivability and quality
- Optimized supercharger mounting location
- Made in the USA
Additional Notes
- Fuel system components are not included
- Custom tuning is required for operation
- Professional installation recommended for best results
- Designed for high-performance and modified applications
Fitment
- 2016 Cadillac CTS-V 6.2L LT4
- 2017 Cadillac CTS-V 6.2L LT4
- 2018 Cadillac CTS-V 6.2L LT4
- 2019 Cadillac CTS-V 6.2L LT4
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