Pro X N424-21 Series Keihin Pilot Jet – Size 40 – Genuine Pro X

Tuning a Keihin carb?

This Pro X pilot jet is exactly what you need.

It's the N424-21 series, size 40—perfect for fine-tuning your idle and low-speed fuel mixture.

Pro X makes solid carb parts, and this is no exception.

Genuine Pro X, not some no-name jet that'll give you headaches.

MPN 46.04 if you're cross-referencing.

New in package, ready to install.

Whether you're rebuilding a dirt bike, ATV, or whatever, having the right pilot jet makes all the difference in how it runs.

Grab a couple for the toolbox.