MIKUNI HEX MAIN JETS 4/PK #340 - 134-8340

The Mikuni Hex Main Jets #340 are carburetor fuel jets sized at #340 and sold as a 4-pack, making the Mikuni hex main jets #340 4-pack carburetor tuning solution the right call for any rider pushing the absolute ceiling of fuel delivery on a seriously built Mikuni-carbureted machine. That #340 sizing is among the most extreme in the entire Mikuni hex main jet range, where only the most radical big-bore builds and aggressive modifications demand that level of fuel flow. Getting your air-fuel ratio locked in at the correct jet size is crisp compared to chasing a stumbling throttle with guesswork. Buying four jets at once means you won't be stuck mid-tune when you need to step sizes or swap back.

• Delivers consistent fuel flow at the #340 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 #340 4-pack today from Dillon Powersports, authorized dealer.