James Dean designed the JD Jetting kits so that you don't have to be an expert to get professional high performance results!! Even better, technical support is provided.
The James Dean custom jetting kit is designed to improve throttle response throughout the range by using specially made multi-taper needles. These are based on the most popular settings used by new generation MX and off-road riders around the globe and the results are impressive.
Low and High altitude custom designed triple taper needles Main Jets included Spare Needle Clip Dyno Tested Developed and tested from sea level to 12000ft elevation
You can’t buy this from any OEM factory or aftermarket outlet.