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Vortech Universal Small Block Carbureted V-7 YSi Polished Tuner Kit w/out Carb Enclosure Chevrolet


Vortech Superchargers

Model #4GP218-048YSi

Shopper Award

This is a revised "universal" supercharging system designed for vehicles equipped with carbureted small block Chevrolet engines. Horsepower gains depend on boost levels, engine efficiency, etc., but can range from 30-75%. It offers improved application flexibility, increased supercharger mount rigidity and simple integration with existing OEM drive configurations. Installation time will also vary depending on application, but can range from 4-10 hours. This system has been verified to fit on 1970-1973 Camaro/Firebird (w/cowl hood), 1964-1972 Chevelle and 1955-1957 Sedan (BelAir/210 etc.) and 1968-1973 Nova/Chevy II.

These systems are available with several supercharger head units to meet with whatever your ultimate power goals may be. The V-2 Si features a helical gear set and will support applications up to 775HP. The V-1 Ti Supercharger features a heavy-duty, straight-cut gear set and will support applications up to 950HP. The V-7 YSi features a heavy duty gear set and will support applications up to 1,200HP.


  • Horsepower gains, depending on boost levels, engine volumetric efficiency and other factors, range from 30% to more than 75%
  • Vortech gear driven supercharger for unmatched reliability
  • Supplied Belt/Pulley ratio will produce approximately 8-10 psi at 5500 rpm on a mildly modified 350 cubic inch motor (V-2 Si systems)
  • Technologically advanced, high-efficiency impeller and housing design
  • Oil feed and oil drain assemblies deliver the best possible lubrication and cooling for the supercharger
  • Cast aluminum mounting bracketry with all necessary hardware
  • Inlet and discharge duct connection utilize-heat resistant silicon sleeves and premium quality stainless steel clamps
  • Integrated manual belt tensioner assembly with dual bearing tensioner pulley
  • High-flow, reusable air filter
  • Chevrolet Bel Air Sedan 55-57
  • Chevrolet Camaro 70-73
  • Chevrolet Chevelle 64-72
  • Chevrolet Nova 68-73
  • Pontiac Firebird 70-73
  • This product is not available or legal for sale in California. For Off-road Use Only!
  • Carbureted Tuner Kits do not include Vortech Carburetor Enclosure Box, which a similar box or hat must be sourced separately. Vortech PowerHat also available for purchase separately.
  • Image(s) used are for marketing purposes only, actual product may vary.

Proposition 65

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Vehicle Engine Notes
Chevrolet Bel Air

Chevrolet Chevelle

Chevrolet Nova

Who is Vortech?

Vortech Supercharger was founded by Jim Middlebrook back in 1990. Jim was an Engineer from Paxton supercharger. He would later on design an internally gear-driven compressor, which is then the birth of Vortech. The company specializes in manufacturing high-performance engine upgrades for multiple industries such as marine, industrial, aeronautical, and automotive. Initially offered to be compatible with Ford Engines, they would, later on, expand their application to more engine models.

Vortech has always pushed the boundaries for designing new centrifugal compressors with several patents under its name. Today, the company has been synonymous with performance and has been the brand of choice by enthusiasts who want to put more horsepower in their engine.

Award-Winning Products

Vortech has revolutionized the supercharger and created a design that would be recognized and awarded by SEMA as the Best New Product of the Year. Due to its success, many racers and top teams from different racing disciplines use Vortech supercharger, which helps them get that competitive advantage.

From the Street to the Strip

The company offers superchargers that are applicable both for street or race use. Their superchargers are designed to handle the abuse of thousands of miles of daily driving or the brute force of a 3000 horsepower race car. The company has every kind of supercharger available for any application.

Purchase Vortech at Vivid Racing

If you are in search of a quality power adder for your vehicle, then supercharging is one way of doing it. Who could you trust more than the leading manufacturer, which is Vortech? Visit Vivid Racing and check out the list of products available for your specific needs.


All Vortech supercharger systems are covered by an exclusive 3-year unlimited mileage warranty and exclusive supercharger efficiency guarantee standard. Forcepower Parts carry a 90-day limited warranty.

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