Inexpensive insurance for your fuel system to prevent uneven needle settings. This hollow brass acorn nut ensures your needle is seated perfectly for smooth throttle response, making a fresh Hyosung carb needle nut swap the safest path to avoid getting stuck during future jetting changes on your maintenance project.

• Pattern Fit // Engineered carefully to match original Mikuni dimensions, ensuring a flush fit inside the body without leaking.
• Flow // Specialized hollow core shape allows consistent fuel pressures to travel around the needle base.
• Delicate Metal // Replacing a rounded or crushed original piece stops fuel delivery flat spots and erratic idling bugs.
• In Stock // Ready for your next carb servicing. Supplied as one (1x) individual piece.