MIKUNI HEX MAIN JETS 4/PK #300 - 134-8300

The Mikuni Hex Main Jets #300 are carburetor fuel jets sized at #300 and sold as a 4-pack, making the Mikuni hex main jets #300 4-pack carburetor tuning solution the right pick for any rider dialing in fuel delivery on a heavily modified Mikuni-carbureted machine. That #300 sizing is on the larger end of the hex main jet range, so you're likely running a serious build that needs the fuel flow to match. Getting your air-fuel ratio sharp at that jet size feels crisp compared to chasing a boggy throttle response with guesswork. Buying four jets at once means you won't be stuck mid-tune when you need to step sizes.

• Delivers consistent fuel flow at the #300 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 #300 4-pack today from Dillon Powersports, authorized dealer.