Prox Main Jet for Mikuni Carburetor Size 450

This ProX main jet for Mikuni carburetors, size 450, is a precision component designed for anyone looking to precisely adjust the fuel delivery of Mikuni systems. Ideal for traveling racers, off-road riders and garage door professionals aiming for consistent performance and reliable engine operation.

• Compatibility: Specifically designed for Mikuni 4/042 series main jet kits, size 450, for precise tuning across a variety of Mikuni carburetors.
• Material: High-quality brass for durability, heat resistance and stable tuning during long rides.
• Precision Design: Precision-cut orifice and matching thread for consistent fuel delivery and reproducible performance.
• Brand Reputation: ProX is renowned for rugged tuning components focused on reliability and affordable maintenance solutions for off-road and street motorcycles.
• MPN: JU-47.450, keeping replacement and inventory management simple and clear.

With this main jet, you can precisely fine-tune your Mikuni carburetor, resulting in a more responsive throttle feel, better acceleration and consistent engine performance across various conditions. The combination of durable brass, precision-drilled orifice and the proven ProX quality provides a practical solution for anyone regularly adjusting tuning or optimizing for specific air filters, exhaust systems and riding conditions.