Holley Brass Idle Mixture Screws & Cork Gaskets.

These new brass idle mixture screws are compatible with alcohol, methanol & E85 gasoline. Used on Holley Models 2300, 3160, 4150, 4160, 4165 and 4500. 

You will receive TWO mixture screws & gaskets.

This will also fit similar styled Avenger, Barry Grant, Demon, AED and QFT carbs.

Please contact me if you have any questions about fitment.