compatible with：Suitable for most Chinese tunnel vehicles, mini motorcycles, off-road vehicles, all terrain vehicles, scooters, and go-karts equipped with 250cc, 200cc, 150cc, 125cc GY6 engine carburetors. It is also suitable for many carburetor models such as PWK, CVK, PE OKO, KOSO Stage-6, Polini, etc Features:CNC processed brass material is durable, corrosion resistant, high temperature ductility and low permeability, with smoother surface, more accurate size and long service time Slow pilot nozzle size: 32 /35 /38 /40 /42 /45 /48 /50 /52 /55, main nozzle size: 100 /105 /108 /1110 /115 /120 /125 /130 /135 /140 /155 /158 /160 /162 /165 /168 /170 /172 /175 /178 Note: the model and type of carburetor nozzle are different. Please check the product picture before ordering to ensure that it is the required type of nozzle Professional after-sales：We sell professional parts ，and provide free technical support. If you have any problems or dissatisfaction after receiving the products, please contact us directly to get New Replacement or Return. MWMNUN 33pcs Carburetor Main Jet Slow Pilot Jet Kit，（Including 11 slow pilot nozzles and 22 main nozzles） for PWK Keihin OKO CVK KOSO PE PWM， Replace #SCL-2018090002-ZH-T-01/02 SCL-2018090001/03-ZH-T-01