Features: Brand new and high quality Improve engine performances with this Main Set Designings to optimizes fuels mixture and improve engine output, these precisions crafted main hole provide accurate control. Customized for carburetors Made from corrosion resistant materials, these main hole for specific carburetor model, ensuring excellent fit and durability. Suitable for enthusiasts and DIYers Whether you're a tuner or a self repairer with mechanical skills and car maintenance experience, these main hole perfect for your engine tunings needs. Multifunctional applications in maintenance Replace your stock main hole to enhances power output during engine adjustments. Perfect for precise calibration in regular maintenance and fuels system adjustments. Unleash the potential of your engine Upgraded your carburetor with the Main Hole Set and experience improved efficiency, enhances power delivery, and smooth fuels flows. Take your engine performances to new heights with these reliable main hole. Specifications: Material: metal Package Includes: 19pcs Carburetor Main Jet note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.