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  • External Throttle Linkage Kit, 4500

    BLP Products is proud to introduce a NEW external linkage system for the Holley® 4500 HP series carburetors. This revolutionary design moves all the linkage from underneath the carburetor allowing the racer to change linkage ratios from 1:1 to 3 different progressions all on the outside of the carburetor. Each change can be made within seconds.

    • Thinned throttle shafts provide up to an extra 15 CFM over a stock throttle shaft
    • 4 different progressions available in a matter of a few seconds. No more tearing the carburetor completely apart to change linkage ratios
    • Available for four different bore sizes 2.000-2.125-2.190-2.375




    Product Image Item Name- Price
    Link Pins. For external BLP linkage 4150-4500

    Link Pins. For external BLP linkage 4150-4500

    Link Pins. For external BLP linkage 4150 and 4500 applications
    $2.15

    Add:

    Primary 4500 External shaft

    Primary 4500 External shaft

    Pri Shaft for External 4500 Linkage 2.000, 2.125, 2.200 sizes available.
    $49.95

    Add:

    Primary 4500 External shaft

    Primary 4500 External shaft

    Pri Shaft for External 4500 Linkage 2.000, 2.125, 2.200 sizes available.
    $49.95

    Add:

    Secondary Anti Stick Kit. Bolt on BLP Linkage

    Secondary Anti Stick Kit. Bolt on BLP Linkage

    Reduce chances on having your secondary linkage stick. This can occur due to corrosion or tight tolerances or geometric issues cause during...
    $15.75

    Add:

    Secondary Shaft External Linkage 4500

    Secondary Shaft External Linkage 4500

    External 4500 Series throttle shaft for 2.000 and 2.125 applications
    $49.95

    Add:

    Secondary Shaft External Linkage 4500

    Secondary Shaft External Linkage 4500

    External 4500 Series throttle shaft for 2.000 and 2.125 applications
    $49.95

    Add:

    Spring, 4500 throttle return. Torsion Spring BX Series carbs

    Spring, 4500 throttle return. Torsion Spring BX Series carbs

    Spring, 4500 throttle return. Torsion Spring BX Series Carburetors
    $3.85

    Add:

    4500 External linkage kit

    4500 External linkage kit

    External linkage kit. Please select bore size below.
    $185.00

    ... more info