ProCharger Stage II Intercooled Tuner Supercharger Kit with P-1SC-1 (2021-2026 Escalade / Tahoe / Suburban / Yukon / Denali 5.3L / 6.2L) - 1KB302-SCI

Stage II Tuner Power for 2021-2026 GM Full-Size SUVs

If you want complete control over your build, the ProCharger Stage II Intercooled Tuner Kit is the ultimate solution for your 2021-2026 Escalade, Tahoe, Suburban, Yukon, or Denali equipped with the 5.3L or 6.2L. This system delivers proven ProCharger hardware while giving you the flexibility to custom tune for maximum performance.

With the ability to support 45-50% horsepower gains on 93 octane and even higher output with advanced tuning, this kit is ideal for enthusiasts running E85, race fuel, or methanol injection, as well as upgraded engine combinations.

Tuner Kit Flexibility - Built for Custom Setups

Tuner kits are designed for builders who want to push beyond standard configurations. These systems include all the core supercharger hardware but do not include PCM tuning or fuel system components.

• Designed for custom tuning and high-performance builds
• Supports alternative fuels including E85, race fuel, and methanol injection
• Ideal for upgraded engines with cams, headers, and exhaust systems
• Not emissions certified due to custom tuning capability

Stage II System - Built for Maximum Growth

This Stage II tuner system includes the key upgrades needed for higher horsepower potential and improved airflow.

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

P-1SC-1 Supercharger - Proven and Upgradeable

The system is built around the P-1SC-1 centrifugal supercharger, known for reliable performance and strong top-end power. Its self-contained oiling system eliminates the need for external oil lines, making installation clean and maintenance simple.

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

Advanced Intercooling for High Power Builds

The included Stage II race intercooler increases cooling capacity and airflow, helping support higher boost levels and consistent performance.

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

Real-World Performance Gains

Even as a tuner kit, this system dramatically improves performance across all driving conditions.

• 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 daily-driven SUVs

Performance Highlights

• 45-50% horsepower increase potential 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 for scalable, high-performance builds

Key Features

• P-1SC-1 centrifugal supercharger (satin finish)
• Stage II race intercooler system (1,000 HP capable)
• Stage II high-flow air inlet
• 8-rib dedicated belt drive system
• Bullet blow-off valve included
• Self-contained oiling system - no external oil lines required
• Supercharger mounting location minimizes heat
• 100% reversible with no permanent modifications
• Fuel mileage friendly under normal driving conditions
• OEM-level fit and finish
• Made in the USA

Tuner Kit Options

• Head unit upgrades available: D-1SC, D-1X, F-1D, F-1, F-1A
• F-1A-94 upgrade available for Stage II tuner configurations
• Black or polished supercharger and bracket finishes
• Helical gear set for reduced noise (P and D series)
• Additional intercooler and airflow upgrades available

Quick Specs

• Manufacturer: ProCharger
• Product Type: Stage II Intercooled Tuner Supercharger Kit
• Head Unit: P-1SC-1
• Engine Compatibility: 5.3L and 6.2L V8
• Vehicle Fitment: Escalade, Tahoe, Suburban, Yukon, Yukon Denali
• Model Years: 2021, 2022, 2023, 2024, 2025, 2026
• Horsepower Gain: 45-50% potential (approx. 160+ HP 5.3L / 190+ HP 6.2L)
• Boost Level: 8 psi
• Intercooler: Stage II air-to-air race intercooler
• Intercooler Capacity: 1,000 HP capable
• Drive System: 8-rib dedicated belt drive
• Blow-Off Valve: Bullet BOV included
• Tuning: Not included (tuner kit)
• Fuel Components: Not included
• Install Time: 6-8 hours
• Oiling System: Self-contained
• Warranty: 1-year standard, optional 3-year
• Part Number: 1KB302-SCI

FAQs

What makes this a Stage II tuner kit?

This system includes the Stage II race intercooler and upgraded air inlet, but does not include tuning or fuel components, allowing full customization.

Who should choose this kit?

This kit is ideal for builders planning custom tuning, upgraded engine components, and alternative fuels to maximize performance.

Fitment

• 2021 Cadillac Escalade 5.3L
• 2022 Cadillac Escalade 5.3L
• 2023 Cadillac Escalade 5.3L
• 2024 Cadillac Escalade 5.3L
• 2025 Cadillac Escalade 5.3L
• 2026 Cadillac Escalade 5.3L
• 2021 Cadillac Escalade 6.2L
• 2022 Cadillac Escalade 6.2L
• 2023 Cadillac Escalade 6.2L
• 2024 Cadillac Escalade 6.2L
• 2025 Cadillac Escalade 6.2L
• 2026 Cadillac Escalade 6.2L
• 2021 Chevrolet Tahoe 5.3L
• 2022 Chevrolet Tahoe 5.3L
• 2023 Chevrolet Tahoe 5.3L
• 2024 Chevrolet Tahoe 5.3L
• 2025 Chevrolet Tahoe 5.3L
• 2026 Chevrolet Tahoe 5.3L
• 2021 Chevrolet Tahoe 6.2L
• 2022 Chevrolet Tahoe 6.2L
• 2023 Chevrolet Tahoe 6.2L
• 2024 Chevrolet Tahoe 6.2L
• 2025 Chevrolet Tahoe 6.2L
• 2026 Chevrolet Tahoe 6.2L
• 2021 Chevrolet Suburban 5.3L
• 2022 Chevrolet Suburban 5.3L
• 2023 Chevrolet Suburban 5.3L
• 2024 Chevrolet Suburban 5.3L
• 2025 Chevrolet Suburban 5.3L
• 2026 Chevrolet Suburban 5.3L
• 2021 Chevrolet Suburban 6.2L
• 2022 Chevrolet Suburban 6.2L
• 2023 Chevrolet Suburban 6.2L
• 2024 Chevrolet Suburban 6.2L
• 2025 Chevrolet Suburban 6.2L
• 2026 Chevrolet Suburban 6.2L
• 2021 GMC Yukon 5.3L
• 2022 GMC Yukon 5.3L
• 2023 GMC Yukon 5.3L
• 2024 GMC Yukon 5.3L
• 2025 GMC Yukon 5.3L
• 2026 GMC Yukon 5.3L
• 2021 GMC Yukon 6.2L
• 2022 GMC Yukon 6.2L
• 2023 GMC Yukon 6.2L
• 2024 GMC Yukon 6.2L
• 2025 GMC Yukon 6.2L
• 2026 GMC Yukon 6.2L
• 2021 GMC Yukon Denali 5.3L
• 2022 GMC Yukon Denali 5.3L
• 2023 GMC Yukon Denali 5.3L
• 2024 GMC Yukon Denali 5.3L
• 2025 GMC Yukon Denali 5.3L
• 2026 GMC Yukon Denali 5.3L
• 2021 GMC Yukon Denali 6.2L
• 2022 GMC Yukon Denali 6.2L
• 2023 GMC Yukon Denali 6.2L
• 2024 GMC Yukon Denali 6.2L
• 2025 GMC Yukon Denali 6.2L
• 2026 GMC Yukon Denali 6.2L

Why Buy from Beefcake Racing?

Beefcake Racing is your trusted source for ProCharger systems and GM SUV performance upgrades. We provide expert guidance to help you build the right combination for your goals.

From daily drivers to full custom builds, we help you maximize performance and reliability.

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

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