ProCharger 2021-2026 GM SUV 5.3L HO Intercooled Supercharger System w/Factory Airbox, P-1SC-1

Product Description

The ProCharger 1KB213-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 1KB213-SCI ensures consistent, repeatable performance along with long-term durability and proper fitment.

45-50% MORE POWER TO TOW, PASS, and PLAY!

• 45-50% more power on 93 octane
• Reliability/durability of 200k+ miles!
• Increased torque for towing
• Smooth power for on-road & off-road
• Optimum power for 8- and 10-speed transmissions
• Quiet option for work truck & daily driver use
• Quick/easy install (DIY friendly)
• Complete turnkey systems with tuning

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

A1) 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