Upgrade your ride with the Keihin universal 28 mm flat-slide carburetor—engineered to unleash added power and refined throttle control. Crafted from precision-machined aluminum, its flat-slide design minimizes airflow disruption, giving you crisp acceleration and smoother engine response.Whether you’re replacing an old stock unit or building a high-performance custom, this carburetor’s interchangeable jets and needles make tuning a breeze. Easy to install on most 28 mm manifolds, it’s the perfect solution for street bikes, race machines, and off-road rigs seeking that extra edge.