MIKUNI HEX MAIN JETS 4/PK #680 - 134-8680

The Mikuni Hex Main Jets #680 are carburetor fuel jets sized at #680 and sold as a 4-pack, making the Mikuni hex main jets #680 4-pack carburetor tuning solution the right call for any rider running a build that demands the most aggressive fuel delivery a Mikuni-carbureted machine can handle. That #680 sizing is at the absolute top of the hex main jet range, so you're talking forced induction setups, maximum displacement builds, or every performance mod stacked at once where fuel flow simply can't fall short. Getting your air-fuel ratio locked in at a size like #680 is crisp compared to chasing a dangerous lean condition lap after frustrating lap. Four jets per pack means you won't blow a full tuning session just because you need to step one size in either direction.

• Delivers consistent fuel flow at the #680 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 #680 4-pack today from Dillon Powersports, authorized dealer.