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Holley 20-5

Holley Model 4500/4500 HP Dominator 1:1 Linkage Ratio

510-20-5

made in usa
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$44.28
$39.85
SAVE $4.43
Holley Model 4500/4500 HP Dominator 1:1 Linkage Ratio $39.85
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Model 4500/4500 HP Dominator®
  • 1:1 Linkage Ratio
  • Holley 20-5 Details

    Secondary Linkage


  • Progressive

  • Specifications:

    Usage
    Automotive
    Carburetor Style
    Single Quad
    Mounting Hardware Included
    No
    Quantity
    Sold individually
    Throttle Shaft Linkage Ratio
    1:01
    Manufacturer's Part Number:
    20-5

    The Holley Dominator 4500 Secondary Linkage pump cams are designed to tailor your Model 4500 or 4500 HP Dominator carburetor's secondary throttle input to suit your needs.

    The Progressive linkages available in "Soft" or "Standard" allow you to run on the primary side of the carburetor for idling or low speed part throttle cruising and also work well on dual carb arrangements.

    The 1:1 ratio linkage is used primarily on single carb race only applications where both primary and secondary opening is desired proportionally at the same time.

    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.