MIKUNI HEX MAIN JETS 4/PK #580 - 134-8580

The Mikuni Hex Main Jets #580 are carburetor fuel jets sized at #580 and sold as a 4-pack, making the Mikuni hex main jet #580 4-pack carburetor tuning solution the right call for any rider pushing fuel delivery into extreme territory on a Mikuni-carbureted machine. That #580 sizing puts you at the upper end of the main jet range, which is exactly where you need to be for serious big bore builds, forced induction setups, or aggressive high-flow intake and exhaust combinations. Getting your air-fuel ratio dialed at the correct jet size is crisp compared to chasing a bog or flat spot with guesswork. Buying four jets at once means you won't be stranded mid-tune when you need to step up or back down.

• Delivers consistent fuel flow at the #580 jet size for repeatable tuning results.
• Built to Mikuni hex main jet spec so flow rates match factory carburetor standards.
• Fits Mikuni hex-style carburetors for a direct no-fuss installation.
• Keeps your carburetor fuel jetting powersports toolkit stocked with four jets per order.
• Designed for riders who won't accept a rich or lean condition when a jet swap fixes it.

Order the Mikuni Hex Main Jets #580 4-pack today from Dillon Powersports, authorized dealer.