PWK28 Carburetor is designed to improve vehicles performance and achieve excellent results in various off-road races. With a half-moon shaped slide, the throttle response becomes more sensitive. a mid to high speed refueling device is built-in for an aggressive power boost. Aluminum alloy with anodic oxidation treatment on the surface, which greatly improves the corrosion resistance, wear resistance, insulation, heat resistance and hardness of the carburetor. The Nibbi Racing PWK carburetor pro version is a perfect solution for improving vehicle performance. Specifications Color: Black Material: Aluminum alloy Spigot: 35mm OD 28mm ID Intake: 50mm OD Height: 148mm Width: 83mm Suitable for 200cc~250cc engines Including PWK28 Carburetor *1 Main Jet #120*1 #115*1 #112*1 Pilot Jet #30*1 Stickers *2 Instructions *1 Packaging Box *1