SJ132.5-4 Mikuni HSR main jet N102-221, size 132.5

For riders looking to maximize their engine's potential, these EBC main jets offer the precision required for expert-level tuning. This size 132.5 jet is produced by A-BAX Precision Engineering and is a direct replacement for the Mikuni N102-221 series. It is compatible with a wide range of Mikuni hardware, including the HS40 and the HSR42, HSR45, and HSR48 performance carburetors. It also fits BSR, SV650, and BN series models like the BN38, BN44, and BN46I. Sold as a pack of four, these jets ensure that your fuel delivery remains consistent and predictable. Whether you are building a race engine or just looking for smoother cruising, these high-quality jets are an essential component for any serious carburetor adjustment or rebuild project.