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Vortech V-3 Si-Trim Entry-Level GM Supercharger Kit

933-4GP218-058L


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Vortech 4GP218-058L
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$3,254.99
2 left in stock
  • Carbureted Small Block Chevy
  • Polished Finish
  • 5-6 PSI
  • 30%-75% HP Gains
  • Free Shipping - Ships
    Save $10 off $299, $20 off $599, $30 off $799, $100 off $1,599 Orders. Promo Code: SUMMERFUN exclusions apply
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    1969 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: -

    1972 CHEVROLET CHEVELLE

    • Liter: 5.7
    • SubModel: CONCOURS
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: L

    1974 CHEVROLET EL CAMINO

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: L

    1973 CHEVROLET IMPALA

    • Liter: 4.1
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 250
    • Engine Type: L6 ( 4.1L / 250 )
    • Engine Vin: D

    1977 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: T

    1970 CHEVROLET CHEVELLE

    • Liter: 5.7
    • SubModel: CONCOURS ESTATE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 350
    • Engine Type: V8 ( 5.7L / 350 )
    • Engine Vin: -

    1968 CHEVROLET CHEVELLE

    • Liter: 4.1
    • SubModel: 300 DELUXE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 250
    • Engine Type: L6 ( 4.1L / 250 )
    • Engine Vin: -

    1964 CHEVROLET MALIBU

    • Liter: 5.3
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 327
    • Engine Type: V8 ( 5.3L / 327 )
    • Engine Vin: -

    1972 CHEVROLET CHEVELLE

    • Liter: 6.6
    • SubModel: GREENBRIER
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 402
    • Engine Type: V8 ( 6.6L / 402 )
    • Engine Vin: S

    1971 CHEVROLET C10 SUBURBAN

    • Liter: 4.1
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 250
    • Engine Type: L6 ( 4.1L / 250 )
    • Engine Vin: L

    1971 CHEVROLET CAPRICE

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: R

    1970 CHEVROLET G20 VAN

    • Liter: 5
    • SubModel: SPORTVAN
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 307
    • Engine Type: V8 ( 5L / 307 )
    • Engine Vin: A

    I have a 383 stroker what compression do they usually put in that motor

    Asked by: motley fn crue baby
    Most 383 engines are 10:1 or so. A supercharged engine should be between 8 and 9:1.
    Answered by: Rusty B
    Date published: 2018-06-05

    With the side mount super charger does it matter the compression ratio

    Asked by: motley fn crue baby
    Yes, you want to have a low compression engine to take advantage of boost pressure, ideally 8:1 or 9:1
    Answered by: Rusty B
    Date published: 2018-05-29

    So I would need a blow through carb ? My 850 holley won't work ?

    Asked by: Dadawg
    You can modify your carburetor for blow through operation or purchase a new one here - https://www.jegs.com/p/Demon-Carburetion/Demon-Carburetion-Aluminum-Mighty-Demon-Carburetors/3669740/10002/-1
    Answered by: Rusty B
    Date published: 2020-06-07

    Would this work on my 1997 5.7 vortec 

    Asked by: Jakiepoo
    It will depend on your fuel induction system. This is made to blow through a carburetor , standard 5 1/8" flange.
    Answered by: Rusty B
    Date published: 2018-04-05

    Will it work with a SBC with compression ratio of 10.1 

    Asked by: Horse71
    That is a bit high on the compression for using a supercharger, but if the boost is kept low it will work.
    Answered by: Rusty B
    Date published: 2018-04-03

    will this work on a LS1 engine if it is converted to carburetor setup

    Asked by: Size77
    No that bracket won't bolt to a LS.
    Answered by: Seth W
    Date published: 2018-05-24
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    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.