Holley Carb Carburetor 1/4-32 Main Jets set The aperture size is:80 81 82 83 84 85 86 87 88 89,10 sets in total, 2 pcs per size,Thread size: 1/4"-32 Fits Holley 2010,2300,4010,4011,4150,4160,4500

This is a standard Holley Carburetor main jet kit, with thread sizes of 1/4 "-32 and jet hole sizes of 80,81,82,83,84,85,86,87,88,89.The product has engraved numbers to distinguish it The quantity for each size is 2 pieces. You can get a total of 20 pieces.Made of brass and processed by CNC centers, the cumulative sales have exceeded tens of thousands of sets, and the product quality is trustworthy! 1/4"-32 UNF Unified Fine Thread If you need other sizes, please leave us a message after ordering, send an Amazon email, or contact the seller. The seller can then make the main jet according to your requested size and send it to you. We will provide you with excellent after-sales service. If you have any questions during the ordering process, you can contact us. We are very happy to answer your questions and handle the pre-sales and after-sales services well! Please believe in us and make America great again!