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Air and Fuel› Superchargers, Turbochargers and Components

Procharger

Stage II P-1SC-1 Intercooled Supercharger Kit w/ 4.5-Inch Intercooler

$10,117.70 $8,649.00 Save $1,468.70

SKU: 1GK414-SCI

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Overview

The ProCharger Stage II Intercooled Supercharger is a complete kit designed to significantly enhance the performance of your 1997-2004 Corvette C5 LS1. This system features a P-1SC-1 supercharger head unit with a satin finish and a 4.5-inch twin high-flow air-to-air intercooler for optimal charge air cooling. It utilizes a durable dedicated 6-rib belt drive system for reliable power delivery.
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The ProCharger Stage II Intercooled Supercharger system is engineered to deliver massive, bolt-on power gains for your 1997-2004 Corvette C5 LS1. This complete kit includes the P-1SC-1 supercharger head unit with a satin finish, paired with a high-capacity 4.5-inch twin air-to-air intercooler. The Stage II system distinguishes itself with a dedicated 6-rib belt drive for enhanced grip and reduced belt slip, crucial for high-horsepower applications. This kit provides a 55%+ horsepower gain on pump gas with 7 psi of boost. It comes complete with a ProFlow blow-off valve, PCM tuning, and fuel upgrade components, offering a turnkey solution for increased performance. The self-contained P-1SC-1 supercharger features advanced technology, including a patented self-lubrication design, exclusive billet impellers, and billet gearcases for superior rigidity and appearance. Professional installation is recommended. The system requires 91 octane or higher fuel. Note that tuner kits for this vehicle are not legal for street use in California and are intended for racing or off-road applications only. This kit is designed to fit 1999-2004 Chevrolet Corvette C5 models, specifically excluding the Z06 models.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandProcharger
Part Number1GK414-SCI
CategoryAir and Fuel
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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