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NEEDLE & SEAT ASSEMBLY for HOLLEY
Holley 110 NEEDLE AND SEAT ASSEMBLY.
**INTERNALLY ADJUSTABLE ONLY**
Replacement for Holley part # 6-510. This is for internally adjustable float level control for 4165/4175 model & others.
Spread Bore Holley and some Holley Marine carburettors that do not have the adjusting screw and nut on top of the fuel bowl.
**PLEASE NOTE ONCE OPENED THESE KITS ARE CLASSED AS USED & ARE NON RETURNABLE**