HJ70-4 Mikuni hex head main jets 4/042, size 70

When it comes to dialing in your Mikuni carburetor, precision is everything. These EBC hex head main jets, manufactured by A-Bax Precision Engineering, are a high-quality replacement for the 4/042 style jets. This specific size 70 jet is built for consistent fuel flow and reliability. These jets are designed to fit a variety of Mikuni carburetors, including the VM, VM-18, VM24-512, VM26-606, and TMX series. Sold as a pack of four, they provide the accuracy needed for professional tuning or routine maintenance on your intake system. Keeping a set of these on hand ensures you can get your air-fuel mixture exactly where it needs to be for optimal engine performance and smooth throttle response.