This is a new direct replacement of original equipment,Provides great power and torque.Fit for GY6 or GY6 Clone engine 125cc 150cc 152QMI 152QMJ 157QMI 157QMJ 4-Stroke Engine, Go Kart, ATV, Moped, Scooter.Compatible with s motorcycles Kazuma,Baja,Kymco, Baja,Tank , Vento, Tng, Apollo, BuYang, Coolster, JCL, Jetmoto, Jonway, Kinroad, Loncin, Motobravo, SSR, TTR, Yamoto, Znen, Zongshen,and so on.Carburetor Inner Diameter (intake side): 26mm,Outer Diameter (intake side): 32mm,Inner Diameter (air filter side): 38mm,Outer Diameter (air filter side): 42mm.Package list: 1x carburetor, 1x air filter, 1x intake manifold.Compatibility: Fits GY6 4 Stroke125cc 150cc QMJ152/157 QMI152/157 engines,150cc Go Kart engine,150cc Dune Buggy engine. Lance Vintage 150,125 150,American Sportworks 150,BMS 150,Znen 150,Tank 150,150,Vento 150,Kandi 150,Retro 150,150. Baja 150,Eaglecraft 150, Eton Yukon 150,Coolster 3150DX2,Dazon Raider 150,Helix 150,Jonway 150,Shenke Zircon 150,150,Hensim 150. Carter Talon150,