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Holley 110 NEEDLE AND SEAT ASSEMBLY.
Holley & Demon part # 6-504.
This is for externally adjustable float level control for 2bbl and 4bbl Holley carburettors
For models 2010, 2300, 4010, 4011, 4150, 4160, 4180, 4180G, 4500, Holley carburettors. .
Will also fit all Barry Grant and Demon carburettors
Comes with upper and lower gaskets...
A USA Sourced part NON OEM
**PLEASE NOTE ONCE OPENED THESE KITS ARE CLASSED AS USED & ARE NON RETURNABLE**