??REPLACEMENT FOR??4 Stroke GY6 170cc 180cc 200cc 1P63QML Engine Chinese ATV Quad 4 Wheeler Go Kart Scooter;??NOT REPLACEMENT FOR??GY6 A Engine; ??SIZE??Cylinder Inner Diameter:62.5mm/2.5″;Exhaust port diameter:30mm/1.2″;Bolt hole spacing:55mm/2.2″.Intake port diameter:26mm/1.0″;Bolt hole spacing:45mm/1.78″.(As the picture shows) ??EASY TO INSTALL??High cylinder replacement part.High toughness,corrosion resistance,rustproof and durable.Has a good heat dissipation structure design,providing reliable performance and long life service. ??NOTE??Please verify model number and size prior to ordering to ensure this is the correct part; ??CUSTOMER SERVICE??Always available to help our customers.Please message us for replacement or refund if you are not satisfied with the order;Be happy Online in your time. Color:Complete Cylinder Kit ABOUT DIRECT US has been engaged in for more than 10 years. With over 200 staff,also we have rich experience and excellent product quality. The main products are recoil pull start,chain master link,carburetor,hand brake lever,ignition coil,intake gasket,sprocket,hand puller,rearview mirror and so on. Each month will list a lot New products.We also accept customization of products if you buy enough.Please follow closely with our store. ABOUT BRAND We have registered the brand 2.0 successfully by Amazon Brand: WOOSTAR Registration Number: 5364654 FEATURE Package Included : 1 x Cylinder Head 1 x Cylinder 2 x Gasket 1 x Piston Kit Fit Model: Replacement for 14 Stroke GY6 170cc 180cc 200cc 1P63QML Engine Chinese ATV Quad 4 Wheeler Go Kart Scooter NOT REPLACEMENT FOR GY6 A Engine Tip : Please verify model number and size prior to ordering to ensure this is the correct part for your engine Customer Services : Message us for further assistance if have any question or problem with the product.We will be very glad that can help you