2019-2026 Chevrolet Silverado / GMC Sierra 1500 5.3L / 6.2L ProCharger Stage II Complete Supercharger System
Stage II power for 2019-2026 Silverado and Sierra 1500
Give your 5.3L or 6.2L GM half-ton the power it should have had from the factory. ProCharger engineered this intercooled centrifugal supercharger package for smooth, repeatable power that works for daily driving, towing, passing, and weekend play. The dedicated 8-rib drive, vertically mounted air-to-air intercooler, self-contained supercharger oiling, and billet mounting hardware deliver an OEM-quality installation without replacing the factory intake manifold.
5.3L / 6.2L Complete System delivers 8 psi and approximately 45-50% more power on 93 octane. The Stage II configuration adds ProCharger's larger race intercooler and Stage II air inlet for significantly more power capacity and a cleaner upgrade path.
Package highlights
- P-1SC-1 ProCharger in satin finish
- Dedicated 8-rib supercharger drive
- Stage II race intercooler, rated for builds up to approximately 1,000 hp
- Stage II air inlet
- Retains the factory intake manifold
- Typical installation time is approximately 6-8 hours
- Black or polished supercharger and bracket finishes available
- Optional helical gearset and P-1X upgrade
Complete system details
Includes the fuel and PCM calibration components specified by ProCharger for the supported stock configuration. The factory PCM must be removed and shipped for programming. Complete systems are engineered for 8 psi and approximately 45-50% more power on 93-octane gasoline; ProCharger lists gains of 160+ hp for the 5.3L and 190+ hp for the 6.2L.
Required order information
Select the exact year, Chevrolet/GMC model, engine, drivetrain, build architecture, fuel, and emissions use. A 17-character VIN is required. GM used Global A and Global B electrical architectures in this range; the fifth VIN character identifies the architecture. Flex-Fuel vehicles must be operated on gasoline with a supplied ProCharger calibration.
Part number: 1KA312-SCI
Shipping: Made-to-order ProCharger systems ship directly from the manufacturer. A $160 ground-freight charge plus $35 drop-ship fee applies. Expedited or non-contiguous U.S. delivery is quoted separately.
Processing & Shipping Overview
Processing occurs before shipping.
Most in-stock items typically process within 2–3 business days before shipment or pickup. Expedited shipping options affect transit time after an order ships and do not speed up processing.
Made-to-order, special-order, vendor drop-ship, and freight items require additional processing time before shipping. Any extended lead times will be noted on the product page when applicable.
For the most up-to-date order status or lead time questions, please contact sales@smgspeed.com or use live chat during business hours.