carefully or image size before you order it.If you have any issues or need any help,welcome to contact with us,we will do our best to help you solve it Size:Type 2 pls confirm The size of the product meets your requirements before you purchase Note:please allow 0.5-1 inch difference due to manual measurement.1 inch=2.54cm Replacement for: GY6 125-150cc 4-stroke GY6 QMJ/QMI157,QMJ/QMI152 engine of Go Karts,Mopeds,Scooters and ATVs of Blade,Kinroad,Twister Hammerhead,Carter Talon,Dazon,Roketa,DUNE 150,Baja 150 kart,Kasea,KPX,SUNL,Aimex,Alpha sports,Avanti,Bam X,Baotian,Bashan,BMS,Boreem,Eagle,CF Moto,Cross Runner,Cool Sports,Diamo,E Ton,Eagle,Fushin,Fly,GMI,Hensim,Hi-bird,Baja,Ice Bear,Jackel,Jet Moto,JCL,Taotao,Peace,JM Star,Jonway,Kazuma,Keeway,KMD,Kymco,Lance,Lifan,Linhai,Loncin,Longbo,Fuxin,Maxtrade,MDI,Meitien,Motofino,Motorino,NST,Panterra,Panther,Qlink Yiben,Red Streak,Redcat,Roketa,Schwinn,Seaseng,Strada,SYM,Tank,Terminator,Tomberlin,TNG,United Motors,Verucci,Wildfire,Yamati,ZNEN