Adjusting Nut 150" Needle & Seat Steel Holley Carburetor Carb Gaskets Adjustable 6 Holley 2300 Carburetor Gold Needle & Seat adjusting nut & lock screw. Part # HLY-26-37. Holley O ... Fits Holley Models 2300, 4150, 4160, and 4500 two circuit carburetors. Part... These grips offer superior durability and a comfortable grip, ensuring that your brake levers remain scratch-free and in pristine condition *Also Works With Similar Style AED, Quick Fuel, Barry Grant, Street Avenger & Demon Style Carb *Part Number: 34-7 *These are Genuine Holley Performance Parts *These Parts Will Come In Bulk Style Bag Packaging Needle & Seat Hardware Kit, Fits: Holley Carburetor Specs: *Sold as a Single Kits for use on One Needle & Seat *This Kit Includes: - High Quality Reusable Nylon Gasket & Factory Style Fiber Gasket (x1) - Adjusting Nut (x1) - Lock Screw (x1) - Needle & Seat O-Ring (x1) *Fits: 2300, 4150, 4160 & 4500 Series Holley Carburetors and More !! 3 110 VITON NEEDLE AND SEAT FITS HOLLEY 2300/4150 CARBURETOR W Internal Adjust