The MIKUNI Main Jet by PROX is a high-quality component designed specifically for MIKUNI carburetors, including VM18, VM, TM, and TMX models. This main jet is part of the Series 04/042, ensuring precision and stability for optimal fuel mixture. Whether you're looking to replace a worn-out jet or optimize your carburetor's performance, this main jet will provide the reliability and performance that you need. Ideal for enthusiasts who want their motorcycle or ATV running smoothly, it offers compatibility, durability, and enhancement for your engine's efficiency.