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Vortech Carbureted SBC Supercharger Kit (V-2 Si-Trim, Polished)


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  • Model: V4GP218-038SQ
  • Manufactured by: Vortech

Please allow 1-5 business days for product to ship. Most items are dropped shipped from manufacture.

Vortech Supercharger System for Small Block Chevy Carbureted

volume fuel pump and properly jetted 4150 carburetor unit (with mechanical secondaries). Other parts may be required for complete system operation. Horsepower gains depend on boost levels, engine efficiency, etc., but can range from 30-75%. Installation time will also vary depending on application, but can range from 4-10 hours.


  • 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.
  • Technologically advanced, high-efficiency impeller and housing design developed in Vortech's supercharger test cell to meet SAE J1723 Standard.
  • Cast aluminum carburetor enclosure assembly for use with Holley #4150 or Demon #750 MD carburetor. Enclosure features front and rear -8 fuel inlet ports as well as multiple locations for pressure/vacuum connections. Linkage arms, splined shaft, and left/right hand spherical rod ends are included for simple throttle connection and adjustment. Carburetor studs are also supplied.
  • Unique oil feed and oil drain assemblies deliver the best possible lubrication and cooling for the supercharger unit.
  • Cast aluminum mounting bracketry with all necessary hardware.
    6061-T6 billet aluminum twin mounting plates for rigid supercharger attachment.
  • cast aluminum discharge duct assembly utilizes heat resistant silicon sleeves and premium quality stainless steel clamps.
  • 10-rib, 6061-T6 billet aluminum supercharger crank pulley with hard anodize finish (6" diameter).
  • Automatic belt tensioner with dual bearing tensioner pulley.
  • **This system has been verified to fit on 1964-1972 Chevelle and 1955-1957 sedan (BelAir/210 etc.) models equipped with the factory hood. The universal kit is designed to bolt onto a standard 350 small block, however since the kit is universal other items might be needed.


  • These kit is designed to be used with a long water pump. Earlier models equipped with short water pumps will require a long water pump to be installed.
  • OEM V-Belt Drives or Serpentine Accessory Drives (OEM TPI/TBI) Applications, 1990-1995 and GM Performance Parts accessory drive system #’s 12497697, 12497698 and 12497869). For correct belt alignment, the proper accessory drive crank pulley and accessory bracketry must be used. These components are not supplied in this kit.
  • Fuel Lines are needed depending on which style carburetor is used:
    • Holley Carburetor will use PN: V8M110-020
    • Demon Carburetor will use PN: V8M110-030
  • This kit can be used on engines with and without power steering. For engines equipped with power steering and V-belt accessory drives, a Saginaw type pump will be required as well as an optional Vortech power steering pulley assembly. This assembly includes all required hardware, tensioner assembly and anodized billet aluminum pulley. Depending on the vehicle, power steering lines may require fabrication.
    • Optional Vortech power steering pulley and hardware assembly: V4GP110-051

Note: Since this kit is universal, there might be some clearance issues on certain applications (Corvette and Camaro).

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