KJ150-4 Keihin slotted head main jets 99101-393, size 150

Achieving the right air-fuel ratio is critical for engine longevity and performance, and these EBC Keihin slotted head main jets are built to help you do just that. Manufactured by A-Bax Precision Engineering, these size 150 jets are designed to replace the 99101-393 original parts. They are compatible with a broad range of Keihin carburetors, including FCR, FCR-MX, VB, VD, VE, CVK, and CVKR-D models. These precision-machined brass jets ensure that your fuel delivery is consistent and accurate across the entire throttle range. Sold as a pack of four, they provide the uniformity needed for multi-carburetor setups, making them an excellent choice for any serious tuning project or routine maintenance task.