HJ120-4 Mikuni hex head main jets 4/042, size 120

When you are dialing in a Mikuni carb, the main jet is where the real power is found. These EBC hex head main jets are manufactured by A-BAX Precision Engineering to ensure the tight tolerances required for accurate fueling. This size 120 jet is built to the 4/042 specification, featuring a 6mm hex head and M5.3 x 0.9 threading. It is a direct fit for Mikuni VM series carburetors like the VM-18, VM24-512, and VM26-606, and it also works perfectly in TMX carburetors. Sold as a pack of four, these jets allow you to tune with confidence. Using high-quality brass components ensures that your fuel mixture remains stable under various operating temperatures, helping your engine run cooler and more efficiently.