HJ190-4 Mikuni hex head main jets 4/042, size 190

When you need to adjust your fuel mixture for performance upgrades, these EBC hex head main jets are the professional choice. Manufactured by A-BAX Precision Engineering, these 4/042 style jets provide the flow accuracy required for high-performance Mikuni carburetors. This size 190 jet is designed with a 6mm hex head and M5.3 x 0.9 threads for a perfect fit. They are compatible with Mikuni VM series carburetors, including the VM-18, VM24-512, and VM26-606, and TMX models. Sold as a pack of four, these jets are a must-have for any serious tuner. The precision machining ensures that each jet in the pack flows identically, allowing for predictable adjustments and a smoother running engine across all throttle positions.