MIKUNI LARGE ROUND MAIN JETS 4/PK #157.5 - 134-71575

The Mikuni Large Round Main Jets #157.5 are carburetor fuel jets sold in a 4-pack, making the Mikuni large round main jets #157.5 4-pack the right call for any rider dialing in fuel delivery on a Mikuni carbureted machine. That #157.5 sizing gives you a precise starting point when you're tuning for elevation changes, temperature swings, or a new intake setup. Getting your air-fuel ratio sharp at the correct jet size feels crisp compared to chasing a flat 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 #157.5 jet size for repeatable tuning results.
• Fits Mikuni large round jet carburetors for a direct no-fuss installation.
• Built for riders focused on carburetor fuel jetting powersports tuning without the guesswork.
• Keeps your jetting toolkit stocked with four jets per order so you're always ready to step up or down.
• Designed for riders who won't accept a rich or lean condition when a jet swap fixes it.

Order the Mikuni Large Round Main Jets 4-pack today from Dillon Powersports, authorized dealer.