Keihin 99101-357 Series Main Jet #188 (5 Pack)

ProX Keihin Main Jets are designed to fit a wide range of Keihin carburettors, including PWM Racing Carbs, CR Roundslide Carbs, and FCR MX Carbs.

Available for the 99101-357, 99101-393, and 99101-116 series, these main jets are manufactured in Japan to exact OEM specifications. ProX jets provide a reliable, high-quality, and cost-effective alternative to the more expensive original parts.