ProCharger Stage II Intercooled Supercharger System w/ P-1SC-1 (1KA414-SCI) - 2020-2026 Silverado & Sierra 2500HD / 3500HD 6.6L
Take your 2020-2026 Silverado or Sierra 2500HD / 3500HD 6.6L to the next level with the ProCharger Stage II Intercooled Supercharger System. Designed specifically for Global B ECM platforms, this complete system delivers massive power gains of 50-55% and supports 600+ crank horsepower, transforming how your heavy-duty truck performs under load.
Whether you're towing, hauling, or looking for stronger real-world performance, this system delivers smooth, reliable power with improved throttle response and torque across the entire RPM range.
Features
- P-1SC-1 ProCharger centrifugal supercharger
- Stage II intercooled supercharger system
- Dedicated 8-rib supercharger drive system
- 1500 HP-rated air-to-air race intercooler
- PCM tuning included
- Retains factory intake manifold
- Self-contained oiling system - no external oil lines required
- OEM-quality fit and finish
- 100% reversible installation with no permanent modifications
- Made in the USA
Additional Notes
- Delivers 50-55% horsepower gains on pump gas
- Supports 600+ crank horsepower capability
- Approximately 7 psi of intercooled boost
- Designed specifically for Global B ECM 6.6L applications
- Dedicated 8-rib drive improves belt grip and boost stability
- 1500 HP intercooler increases cooling capacity over HO systems
- Optimized for towing, hauling, and heavy-duty use
- Upgradeable to P-1X, D-1SC, and D-1X head units
- Low maintenance design with excellent drivability
Fitment
- 2020 Chevrolet Silverado 2500HD 6.6L
- 2021 Chevrolet Silverado 2500HD 6.6L
- 2022 Chevrolet Silverado 2500HD 6.6L
- 2023 Chevrolet Silverado 2500HD 6.6L
- 2024 Chevrolet Silverado 2500HD 6.6L
- 2025 Chevrolet Silverado 2500HD 6.6L
- 2026 Chevrolet Silverado 2500HD 6.6L
- 2020 Chevrolet Silverado 3500HD 6.6L
- 2021 Chevrolet Silverado 3500HD 6.6L
- 2022 Chevrolet Silverado 3500HD 6.6L
- 2023 Chevrolet Silverado 3500HD 6.6L
- 2024 Chevrolet Silverado 3500HD 6.6L
- 2025 Chevrolet Silverado 3500HD 6.6L
- 2026 Chevrolet Silverado 3500HD 6.6L
- 2020 GMC Sierra 2500HD 6.6L
- 2021 GMC Sierra 2500HD 6.6L
- 2022 GMC Sierra 2500HD 6.6L
- 2023 GMC Sierra 2500HD 6.6L
- 2024 GMC Sierra 2500HD 6.6L
- 2025 GMC Sierra 2500HD 6.6L
- 2026 GMC Sierra 2500HD 6.6L
- 2020 GMC Sierra 3500HD 6.6L
- 2021 GMC Sierra 3500HD 6.6L
- 2022 GMC Sierra 3500HD 6.6L
- 2023 GMC Sierra 3500HD 6.6L
- 2024 GMC Sierra 3500HD 6.6L
- 2025 GMC Sierra 3500HD 6.6L
- 2026 GMC Sierra 3500HD 6.6L
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