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K&N 85-0400

K&N Stubstack Holley 390-850cfm 4150/4160 carbs that have had choke horn milled off & still use an air cleaner

599-85-0400

Estimated to ship directly from the manufacturer on 12/27/18

$28.99
K&N Stubstack Holley 390-850cfm 4150/4160 carbs that have had choke horn milled off & still use an air cleaner $28.99
Out of stock
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Stubstack
  • Holley 390-850cfm 4150/4160 carbs that have had choke horn milled off & still use an air cleaner
  • K&N 85-0400 Details

  • Improves Metering Accuracy
  • Increases Airflow
  • Reduces Restriction
  • Straightens And Speeds Up Air-Flow
  • Will Not Fit All Carburetors
  • May Have To Alter Stubstack
  • Polyurethane Material
  • Easily Filed And Sanded

  • Specifications:

    Fits with Air Cleaner
    Yes
    Quantity
    Sold individually
    Requires Choke Horn Milled Off
    Yes
    Stubstack Finish
    Black
    Stubstack Material
    Polyurethane
    Package Quantity
    1
    Weight (lbs.)
    0 lb (0 kg)
    Product Style
    Accessories
    Height
    1.69 in (43 mm)
    Material Used
    Polyurethane
    Length
    5.13 in (130 mm)
    Width
    5.13 in (130 mm)
    Manufacturer's Part Number:
    85-0400

    K&N Stubstacks are a very simple way to bolt on more HP for your carbureted engine. Stubstacks smooth out the rough casting and air transition turbulence common on most carburetors. By smoothing out the transition from air cleaner to venturi you allow for not only a higher flow rate, but better metering accuracy which leads to better throttle response and more power throughout the throttle curve. Applications listed below.

    Features:
  • Straightens and speeds up air flow through your carburetor
  • Available for most popular carburetors
  • Better fuel metering

  • 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.

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    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.