CR100-4 Keihin hex head main jets 99101-357, size 100

When it comes to carburetor maintenance and performance tuning, using quality components is non-negotiable. These EBC hex head main jets are produced by A-Bax Precision Engineering to meet the high demands of Keihin carburetor systems. This size 100 jet serves as a direct replacement for Keihin part number 99101-357 and is compatible with FCR, FCR-MX, PE, PJ, PWK, PWM, and CR Special carburetors. Properly sizing your main jet is crucial for achieving maximum horsepower and maintaining engine longevity. These precision-engineered brass jets ensure that your fuel delivery remains stable across the entire RPM range. They are sold as a pack of four, providing a convenient way to stock up on the sizes you need for your specific build.