HJ330-4 Mikuni hex head main jets 4/042, size 330

Getting your Mikuni carburetor dialed in requires precision, and these EBC hex head main jets are exactly what any seasoned mechanic needs on the bench. Manufactured by A-BAX Precision Engineering, these 4/042 style jets are built to exacting tolerances to ensure consistent fuel flow through the main circuit. This specific size 330 jet is designed to fit a wide range of Mikuni hardware, including the VM series, VM-18, VM24-512, VM26-606, and TMX carburetors. Whether you are fine-tuning for a high-flow exhaust or adjusting for local air density, these jets provide the reliability required for peak engine performance. They are sold as a pack of four, ensuring you have the necessary components for a complete tuning job or spares for future adjustments.