ProCharger Stage II Intercooled Supercharger System with P-1SC-1 - Global B ECM (2019-2024 Silverado / Sierra 1500 5.3L / 6.2L) - 1KA312-SCI-A

Stage II Performance Upgrade for 5.3L and 6.2L Silverado and Sierra

Take your 2019-2024 Silverado or Sierra 1500 5.3L or 6.2L to the next level with the ProCharger Stage II Intercooled Supercharger System. Designed specifically for Global B ECM-equipped trucks, this system builds on the proven High Output platform with increased airflow and upgraded intercooling to support higher horsepower capability and future upgrades.

Delivering a strong 45-50% horsepower increase on 93 octane, this system provides instant throttle response, increased torque, and smooth, linear power delivery optimized for modern 10-speed transmissions across both engine platforms.

Stage II System - Built for Higher Power Potential

The Stage II system includes all the benefits of the High Output system, with key upgrades designed for improved airflow and scalability.

• Race intercooler upgrade capable of supporting up to 1,000 HP
• Stage II high-flow air inlet system
• Easily upgradable for higher horsepower combinations
• Ideal for enthusiasts planning future performance upgrades

Complete Turnkey System with Proven Reliability

This is a true bolt-on, turnkey supercharger system engineered for long-term durability. With 200,000+ mile reliability and no permanent modifications required, you get serious performance without sacrificing drivability.

• Complete system with PCM tuning included
• Quick and easy installation - typical 6-8 hour install time
• 100% reversible with no permanent modifications
• Retains factory intake manifold
• Fuel mileage friendly under normal driving conditions

P-1SC-1 Supercharger - Proven Performance Platform

At the core of this system is the P-1SC-1 centrifugal supercharger, delivering efficient airflow and strong top-end horsepower. Its self-contained oiling system eliminates the need for external oil lines, simplifying installation and maintenance.

• P-1SC-1 head unit in satin finish
• Optional helical gear set for quieter operation
• Upgradeable to P-1X for increased airflow capability
• Consistent boost and long-term durability

Advanced Intercooling for Maximum Efficiency

The upgraded Stage II race intercooler delivers increased cooling capacity and airflow, allowing for higher boost levels and improved performance consistency.

• High-capacity air-to-air intercooler system
• Supports extreme horsepower applications
• Improved charge air cooling for safer operation
• Consistent performance under demanding conditions

Built for Real-World Truck Performance

This system is engineered to enhance performance across every driving scenario.

• Increased torque for towing and hauling
• Smooth and predictable power delivery
• Excellent on-road and off-road performance
• Optimized for modern 10-speed transmissions
• Quiet operation option available for work trucks and daily drivers

Performance Highlights

• 45-50% horsepower increase on 93 octane
• Approximately 160+ HP gain (5.3L) and 190+ HP gain (6.2L)
• 8 psi of boost
• Stage II upgraded intercooling and air inlet system
• Designed specifically for Global B ECM platforms

Key Features

• P-1SC-1 centrifugal supercharger (satin finish)
• Stage II race intercooler system
• Stage II high-flow air inlet
• 8-rib dedicated belt drive system
• Bullet blow-off valve included
• PCM tuning supplied
• Self-contained oiling system - no external oil lines required
• Supercharger mounting location minimizes heat
• 50-state street legal systems available
• OEM-level fit, finish, and drivability
• Made in the USA

Available Options

• Black or polished supercharger and bracket finish
• Helical gear set for reduced supercharger noise
• P-1X head unit upgrade
• Additional airflow and intercooler upgrades available

Quick Specs

• Manufacturer: ProCharger
• Product Type: Stage II Intercooled Supercharger System
• Head Unit: P-1SC-1
• Engine Compatibility: 5.3L and 6.2L V8
• Vehicle Fitment: Silverado / Sierra 1500
• Model Years: 2019, 2020, 2021, 2022, 2023, 2024
• ECM Compatibility: Global B ECM
• Horsepower Gain: 45-50% (approx. 160+ HP 5.3L / 190+ HP 6.2L)
• Boost Level: 8 psi
• Intercooler: Stage II air-to-air race intercooler
• Drive System: 8-rib dedicated belt drive
• Blow-Off Valve: Bullet BOV included
• Tuning: PCM tuning included
• Install Time: 6-8 hours
• Oiling System: Self-contained
• Warranty: 1-year standard, optional 3-year
• Part Number: 1KA312-SCI-A

FAQs

Does this system work with both 5.3L and 6.2L engines?

Yes, this system is designed for both 5.3L and 6.2L Silverado and Sierra applications, with horsepower gains scaled to each engine platform.

What makes the Stage II system different from the High Output system?

The Stage II system includes a larger race intercooler and upgraded air inlet, improving airflow, cooling efficiency, and allowing for greater horsepower potential.

Fitment

• 2019 Chevrolet Silverado 1500 5.3L
• 2020 Chevrolet Silverado 1500 5.3L
• 2021 Chevrolet Silverado 1500 5.3L
• 2022 Chevrolet Silverado 1500 5.3L
• 2023 Chevrolet Silverado 1500 5.3L
• 2024 Chevrolet Silverado 1500 5.3L
• 2019 Chevrolet Silverado 1500 6.2L
• 2020 Chevrolet Silverado 1500 6.2L
• 2021 Chevrolet Silverado 1500 6.2L
• 2022 Chevrolet Silverado 1500 6.2L
• 2023 Chevrolet Silverado 1500 6.2L
• 2024 Chevrolet Silverado 1500 6.2L
• 2019 GMC Sierra 1500 5.3L
• 2020 GMC Sierra 1500 5.3L
• 2021 GMC Sierra 1500 5.3L
• 2022 GMC Sierra 1500 5.3L
• 2023 GMC Sierra 1500 5.3L
• 2024 GMC Sierra 1500 5.3L
• 2019 GMC Sierra 1500 6.2L
• 2020 GMC Sierra 1500 6.2L
• 2021 GMC Sierra 1500 6.2L
• 2022 GMC Sierra 1500 6.2L
• 2023 GMC Sierra 1500 6.2L
• 2024 GMC Sierra 1500 6.2L

Why Buy from Beefcake Racing?

Beefcake Racing is your trusted source for ProCharger supercharger systems and late-model truck performance upgrades. We provide expert guidance to ensure you get the right setup for your build and long-term performance goals.

From daily drivers to high-performance builds, we help you maximize results with confidence.

Email: sales@beefcakeracing.com
Phone: 1-855-827-7223

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