Carburetor Kit for Briggs and Stratton Large Flo Jet Carburetors

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Aftermarket carburetor rebuild kit for OEM Briggs & Stratton Large Flo Jet Carburetors. These carburetors are also known among enthusiasts as "4 Bolt Carbs".

Note: These work for the OEM Briggs Flo Jet Carburetors only. This is not the correct kit for iSaveTractors brand carburetors. 


  • Briggs 391071
  • Briggs 394989
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18 Reviews

  • 5
    Seems good

    Posted by Howard Crosslen on Apr 19th 2021

    I haven't actually had time to do the rebuild yet. I was pleased by the parts that were included in the kit and hope the rebuild solves its problems

  • 5
    four bolt large flo jet

    Posted by Gene on Mar 25th 2021

    All parts We're high-quality and as close to original as possible. I will definitely be a return customer.

  • 5
    Great price, great quality, fast delivery...

    Posted by Pete Delic on Mar 1st 2021

    ...what more could you ask for? A+++++

  • 5
    Parts are correct great quality no issues.

    Posted by Ron Knapp on Dec 3rd 2020

    No issues all parts fit great

  • 5
    Carburetor kit

    Posted by John Steele on Oct 9th 2020

    Good product at affordable price

  • 5
    Great Purchase

    Posted by jon laughlin on Sep 10th 2020

    Item came as promised. Quick delivery. Perfect.

  • 5
    Carburetor Kit for Briggs and Stratton Large Flo Jet Carburetors

    Posted by james bailey on Jun 17th 2020

    fast delivery and worked like a charm!

  • 5

    Posted by Jonathan Sherrill on Jun 5th 2020

    Excellent product.. fast shipping.. If you need parts Isavetractors is the place to get them

  • 3
    Adjustment needles

    Posted by Dalton on May 11th 2020

    The head of the screw on the upper needle seems to be extremely soft and wears when adjusting the carb.

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