Accelerator Pump Cam Assortment Kit With Screw Fits: Holley Carburetor 2300, 4150 & 4160 Accelerator Pump Cam Assortment Kit w/ Screws, Fits: Holley Carburetor Specs: *Sold As A Kit (x8) Assorted Pump Cams & (x2) Pump Cam Screws *Each Cam Is Different Shape / Profile *Tailor Accelerator Pump Performance, Each Cam Gives Different Results *Fits: 2300, 4150, 4160 Series Holley Carburetors and More !! *Also Works With Similar Style AED, Quick Fuel, Barry Grant, Street Avenger & Demon Style Carbs *Part Number: 20-12 *These are Genuine Holley Performance Parts *These Parts Will Come In Bulk Style Bag Packaging