The Dynojet Research Jet Kit Stage 1 and 2 for Suzuki DR650S 90-20 is a set of brass jets designed specifically for the carburetor of the motorcycle. The kit includes jets with interchange part numbers 1007-0460 and 133-6457, as well as other necessary components. These jets are manufactured by Dynojet Research and are not universally fitting, ensuring a perfect fit for the Suzuki DR650S model. Perfect for those looking to improve the fuel delivery system of their motorcycle.