ProCharger High Output Tuner Supercharger Kit w/ D-1 No Intercooler (1GB211-D1) - 1985-1991 Corvette C4 L98
The ProCharger High Output Tuner Supercharger Kit with D-1 head unit is designed for 1985-1991 Corvette C4 L98 TPI applications, delivering 55 to 75 percent or more horsepower potential at approximately 7 psi. Built for experienced enthusiasts, this system provides the core ProCharger hardware while allowing full customization of tuning and fueling.
With increased airflow capability and a simplified non-intercooled configuration, this kit is ideal for custom street or race builds targeting higher performance levels.
D-1 Supercharger
At the heart of the system is the D-1 centrifugal supercharger, offering improved airflow and stronger top-end performance compared to entry-level units.
- Approximately 7 psi boost capability
- Increased airflow for higher horsepower builds
- Efficient centrifugal compressor design
- Smooth and linear power delivery
Non-Intercooled Configuration
This system features a non-intercooled setup, reducing complexity and providing flexibility for custom configurations.
- No intercooler required for simplified installation
- Reduced system complexity and routing
- Ideal for custom-tuned performance builds
- Supports a wide range of horsepower goals
Factory 6-Rib Drive System
The factory-style 6-rib belt drive ensures straightforward installation and reliable operation.
- Uses factory accessory belt routing
- Simplifies installation and maintenance
- Reliable belt-driven operation
- Upgradeable for higher horsepower applications
Tuner Kit Configuration
This tuner kit includes all major supercharger hardware but leaves tuning and fueling decisions to the builder.
- No PCM calibration included
- No handheld tuner included
- No fuel system components included
- Designed for custom tuning and advanced builds
Engineered for TPI L98 Builds
ProCharger systems are known for OEM-quality fitment and long-term durability. This kit is tailored for Tuned Port Injection applications to ensure proper integration and performance.
- Designed specifically for L98 TPI Corvette applications
- Supports E85, race fuel, and methanol setups
- Compatible with upgraded cams, heads, and exhaust systems
- Optimized mounting location helps reduce heat
Features
- D-1 ProCharger centrifugal supercharger
- High Output tuner supercharger system
- Non-intercooled configuration
- Factory 6-rib belt drive system
- Bosch blow-off valve included
- Satin finish supercharger and brackets
- All tubing and installation hardware included
- Designed for custom tuning and fuel system upgrades
- Made in the USA
Additional Notes
- Professional installation and custom tuning required
- Not emissions certified
Fitment
- 1985 Chevrolet Corvette C4 L98
- 1986 Chevrolet Corvette C4 L98
- 1987 Chevrolet Corvette C4 L98
- 1988 Chevrolet Corvette C4 L98
- 1989 Chevrolet Corvette C4 L98
- 1990 Chevrolet Corvette C4 L98
- 1991 Chevrolet Corvette C4 L98
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

