See fitment guide image for additional Machines this item fits. Expert tuning setup without being an expert Improves throttle response with multi-taper needles Taken from the most popular riders and settings for MX and off road Exceeds performance of popular EMN, DTM, and other standard factory needle options Low and high altitude designed triple taper needles With a jetting selection sampled from the most popular settings and well known riders from all over the world, the JD Jetting Jet Kit is designed to give you pro-level performance without having to be a carburetor expert. This jet kit will deliver reliable fueling, but with the inclusion of multi-taper needles, you'll also get adjustability for low and high altitudes. See the difference in performance you'll get over stock with a JD Jetting Jet Kit. -Main jets include spare needle clip -Dyno tested for proven gains -Developed and tested from sea level to 12000ft elevation