Procharger C4 L98 TPI - HO Intercooled System D-1 (Corvette 1985-1991)

This is an ATI / Procharger C4 2 Core Air-to-Air Intercooled HO Supercharger Kit with a D-1 head unit and standard 6 rib pulley setup for the Corvette C4 LT4 TPI 1985-1991 which will get you a 75% horsepower gain on 10+ psi of boost! Largest, Most Reliable Power Gains in the Industry.

ProCharger: First-to-Market with Air-to-Air Intercooled Supercharger Solution.
When it comes to adding big, reliable power to late-model LT engines, ProCharger simply dominates. With the largest, most reliable power gains on pump gas, ProCharger-powered 1985-1991 C4 TPI Corvettes dominate both on the street and on the strip!! Backed by the strength and support of the industry leader, ProCharger offers you the greatest power potential and most choices for your 1985-1991 Corvette C4 TPI.

Leading the Way: ProCharger Intercooled HO System Kit for 1985-1991 Corvette C4 TPI
Realizing the performance potential of modified LT-engines, ProCharger is once again leading the way with a 2 Core Intercooler System and Tuner Kit designed specifically for the 1985-1991 Corvette C4 TPI. The heavy-duty bracket provides a solid, stable mounting location for a wide range of ProCharger models, including the standard P-1SC, and optional D-1SC supercharger models.

DETAILS:

• Horsepower gain: 75%+
• D-1 supercharger head unit, 10+ psi
• Highly effective 2 Core (85-89) or 3 core (90-91) air-to-air intercooler
• Intercooler Mount: V/Twin
• All 2.5" tubing and Bosch Bypass Valve
• Belt Drive System: Standard 6 rib
• Fuel Pump Supplied: ProPump
• Fuel Injectors Supplied: NONE Supplied
• Computer/Ignition Mods.: Not required
• Base HP Range of NA Engine: 300-500 HP
• Maximum Supercharged HP Rating: 925 HP
• Maximum Airflow: 1,400 cfm
• Maximum Boost: up to 32 psi
• Inlet Diameter: 3.75 inches
• Outlet Diameter: 3 inches
• Maximum Impeller RPM: 65,000
• Internal Step-up Ratio: 4.44:1
• Self-Contained Oiling: Yes
• Reverse Rotation Available: Yes 
• The coolest charge air temperatures and largest power gains available
• ProCharger's patented and proven, self-contained oiling design requires no external oil lines
• Easiest and quickest installation
• System is 100% complete with OEM quality and appearance