Center Hung Float Bumper Springs Fits: Holley Carburetor 2300 4150 4160 4500 Specs: * Sold as a 4 Pack * Fits: Holley carburetors equipped with center hung floats *Fits: 2300, 4150, 4160, 4500 Series Holley Carburetors and More !! *Also Works With Similar Style AED, Quick Fuel, Barry Grant, Street Avenger & Demon Style Carbs *These are Genuine Holley Performance Parts * Part Numbers 1038-1216 and H61-150 *These Parts Will Come In Bulk Style Bag Packaging