CR120-4 Keihin hex head main jets 99101-357, size 120

When you need to adjust your fuel curve for better top-end performance, these EBC hex head main jets are the ideal solution. Manufactured by A-Bax Precision Engineering, these size 120 jets are designed to replace Keihin part number 99101-357. They are compatible with several Keihin carburetor series, including FCR, FCR-MX, PE, PJ, PWK, PWM, and CR Special. A well-jetted carb ensures your engine stays cool and powerful under load, preventing the overheating issues associated with lean mixtures. These precision brass components are essential for any serious tuning project. Sold as a pack of four, they provide the consistency and quality that professional mechanics demand when working on high-performance fuel systems.