MIKUNI HEX MAIN JETS 4/PK #400 - 134-8400

The Mikuni Hex Main Jets #400 are carburetor fuel jets sized at #400 and sold as a 4-pack, making the Mikuni hex main jets #400 4-pack carburetor tuning solution the right call for any rider running the most extreme fuel delivery demands on a heavily built Mikuni-carbureted machine. That #400 sizing sits at the outer edge of what the Mikuni hex main jet range offers, so you're looking at radical big-bore builds or aggressive forced-induction setups that simply won't run right on anything smaller. Getting your air-fuel ratio locked in at that size is crisp compared to chasing a stumbling throttle response with guesswork. Having four jets in hand means you won't lose a day waiting on a reorder when you need to step sizes mid-tune.

• Delivers consistent fuel flow at the #400 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 #400 4-pack today from Dillon Powersports, authorized dealer.