HJ430-4 Mikuni hex head main jets 4/042, size 430

These EBC Mikuni hex head main jets are designed for those who demand the best from their fuel system. Manufactured by A-BAX Precision Engineering, these size 430 jets are built to the 4/042 pattern for a perfect fit in Mikuni VM, VM-18, VM24-512, VM26-606, and TMX carburetors. When you are fine-tuning a large-displacement engine or a high-compression build, having the right main jet is the difference between a bike that screams and one that stumbles. These precision-machined brass jets ensure that your fuel delivery is consistent and reliable under heavy load. They are sold as a pack of four, providing the quality and quantity needed for professional carburetor maintenance and tuning.