ProCharger 2021-26 GM SUV 6.2L HO Intercooled Supercharger System w/Factory Airbox, P-1SC-1

The ProCharger 1KB212-SCI Supercharger System is engineered to deliver dependable horsepower and torque gains through a high-efficiency centrifugal supercharger design. Built for performance-focused applications, this system provides smooth, linear boost that increases with engine RPM, improving acceleration and overall engine output while maintaining excellent drivability.

An advanced intercooling system helps reduce intake air temperatures, allowing for a denser air charge and improved combustion efficiency. Designed as a complete, precision-matched package, the 1KB212-SCI ensures consistent, repeatable performance along with long-term durability and proper fitment.

Ideal For

• Street performance upgrades
• High-performance builds
• Track and weekend performance use
• Enthusiasts seeking dependable forced induction systems

Features & Specifications

• Centrifugal supercharger for progressive, RPM-based boost
• Self-contained oiling system (no engine oil tap required)
• Precision-engineered mounting brackets and hardware
• Durable belt-driven system for consistent boost delivery
• Increased horsepower and torque output
• Maintains smooth throttle response and drivability

HIGH OUTPUT SYSTEM WITH FACTORY AIRBOX

Same as Stage 1 System, except:
• Retains factory airbox
• 8-rib dedicated belt drive
• Bullet blow-off valve
• Passenger-side supercharger mounting location
• Part # for 5.3L: 1KA213-SCI
• Part # for 6.2L: 1KA212-SCI

OPTIONS

Same as Stage 1, except
• Stage II intercooler upgrade
• Stage II air inlet upgrade
• No blow-off valve upgrades possible

Notes

BA1) Model year must be specified
BA2) Specify 2WD or 4WD, and GMC or Chevrolet
BA3) Specify engine size
BA4) For Flex Fuel vehicles, gasoline-only tune provided, not E85
BA5) Specify OEM or aftermarket balancer
BA6) Due to variability among OEM computers, the prevalence of custom modifications, and age/miles/condition of vehicles, dyno tuning may be required
BA8) PCM removal and shipment required for all
BA9) Specify VIN #