Carbureted BBC “Tuner” Kit (V-7 YSi-Trim, Satin)

Carbureted BBC “Tuner” Kit (V-7 YSi-Trim, Satin)


Note: Currently Vortech products are experiencing 3-4 week delays. Please be aware that this part may not ship for several weeks when you order.

SKU: V4GA218-050 Category:


Universal Big Block Chevy Carbureted Supercharger System

is a “universal” supercharger kit designed for vehicles equipped with carbureted
big block Chevrolet engines.

  • This system
    requires the installer to supply a high volumefuel pump and properly jetted
    4150 style carburetor unit (with mechanical secondaries)
  • We have verified
    this kit to fit on 1964-1972 Chevelle / Malibu models equipped with a cowl
    induction hood. Minor bottom-side hood support modifications may be required
    dependingupon the type of intake manifold installed on the engine.
  • This kit
    may also fit other Chevrolet models, but has not been confirmed
  • Horsepower
    gains (depending onboost levels, engine volumetric efficiency etc.): 30-75%+
  • Supplied
    pulley ratio will produce approximately 5-6 psi at 5000 rpm on a mildly
    modified 454″ engine
  • Installation
    time: 4-10 hours depending on application


  • V7 YSi-trim
    supercharger with 3.33″ pulley 10-rib (CW rotation; straight discharge)
  • Cast aluminum
    mounting bracket with all necessary hardware
  • New twin
    1/2″ thick billet aluminum mounting plates for rigid supercharger attachment
  • Supercharger

    • Belt
      tensioner with dual bearing, billet aluminum idler pulley
    • Includes
      61.8” 10-rib belt, billet aluminum accessory drive crank pulley (3 groove)
      with hard anodize finish and spacer for use with long water pump spacing
    • 10-rib
      billet aluminum supercharger crank pulley with hard anodize finish (7”
      o Available drive component accessories to convert to 36 or 50mm wide
      8mm pitch cog drive. See optional components below for part numbers
  • Supercharger
    oil drain assembly
  • Supercharger
    oil feed assembly


Tuner system
does not come with the Carb. Enclousre and discharge assembly


No warranty on race/heavy-duty superchargers.


system was designed to fit on engines equipped with a “long” water pump. Vortech
includes a 3-groove accessory drive crank pulley (for use with “long” style
water pumps only). If this kit is to be installed on an engine equipped with
a “short” water pump, a custom accessory drive crank pulley and spacer will
be required.

engines equipped with power steering, a remote reservoir (GM “type 2”) style
pump will be required as well as an optional Vortech power steering pump bracket
and pulley assembly. Depending on the vehicle, power steering lines may require

steering pump: OE on 1987 GM Pontiac Sunbird, NAPA # 20-874

power steering bracket/pulley assembly: V4GA110-010

Additional information

Weight 70 lbs