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  • Main Body, BX4

    These 650-750 and 850 complete lightweight billet xtreme main sections are a great addition to your 4150 series carburetor. Just bolt on and run.
    Bodies available in bare of complete kit form.
    Bodies complete with:
    Boosters installed.
    Air correctors.
    Squirters.
    Stainless steel squirter screws.
    Vent tubes.
    Includes base to main body screws and gasket.

    Air bleeds installed:
    5251BX4-650RK.
    034 High speed .062 Idle.
    ----------------------------------------
    5251BX4-750RK
    031 High speed .062 Idle.
    -----------------------------------------
    5251BX4-850RK
    031 High speed .056 Idle.


    Product Image Item Name- Price
    BLP BX4 MAIN BODY REPLACEMENT KIT(Coated)

    BLP BX4 MAIN BODY REPLACEMENT KIT(Coated)

    These 650-750 and 850 complete lightweight Billet BX4 main sections are a great addition to your 4150 series carburetor. Just bolt on and run. Bodies...
    $315.15

    ... more info

    BLP BX4 MAIN BODY REPLACEMENT KIT

    BLP BX4 MAIN BODY REPLACEMENT KIT

    These 650-750 and 850 complete lightweight Billet BX4 main sections are a great addition to your 4150 series carburetor. Just bolt on and run. Bodies...
    $275.00

    ... more info

    BX4 BILLET MAIN SECTION (BARE)

    BX4 BILLET MAIN SECTION (BARE)

    The Billet BX4 4150 style main sections from BLP. This unique, lightweight main section is a great way to upgrade your existing application. These...
    $207.48

    ... more info

    BX4 BILLET MAIN SECTION COATED (BARE)

    BX4 BILLET MAIN SECTION COATED (BARE)

    The Billet BX4 4150 style main sections from BLP. This unique, lightweight main section is a great way to upgrade your existing application. These...
    $225.96

    ... more info