This Holley carburetor repair kit, part number 37-474, is a must-have for anyone looking to maintain the performance of their carburetor. The kit includes everything you need to get the job done, from jets and needles to gaskets and diaphragms. With a brand name like Holley, you can trust that this kit is made with high-quality materials and designed to fit perfectly in your carburetor. Whether you're a professional mechanic or a DIY enthusiast, this kit is an essential tool for keeping your carburetor running smoothly. California Prop 65 Warning applies to this product, so be sure to use it with caution.