110 NEEDLE and SEAT ASSEMBLY Holley & Demon part # 6-504

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**

Write a review