Pls confirm The size of the product meets your requirements before you purchaseNote:please allow 0.5-1 inch difference due to manual measurement.1inch=2.54cmSize:Cylinder Inner Diameter:62.5mm/2.46";Head Stud Spacing:57mm/2.24";Exhaust valve:30mm/1.18";28mm/1.1";Bolt installation spacing:42mm/1.65";Piston diameter:62.5mm/2.46";Piston pin diameter:15mm/0.59"(Please Be Carefully Check The Goods Appearance,Size,Shape Before Ordering). Cylinder Head Valves Replacement for:4 Stroke GY6 B 170cc 180cc 200cc 1P63QML Engine Chinese ATV Quad 4 Wheeler Go Kart Scooter.Replacement for B case engine.Characteristic: The Cylinder Head With High Toughness,Corrosion Resistance,Rustproof And Durable,Support The Piston And Reduce Friction And Leakage,Providing Reliable Performance And Long Life Service.Package Included: Cylinder Head Valves x 1pcGaskets Kit x 1pcPiston x 1pcPiston pin x 1pcAbout After-sales service:First of all,we sincerely apologize to you for returning exchange or refund caused by any reason.Please be assured,no matter what the problem.Please contact us first,we will do our best to solve any problem for you.We attach great importance to every customer.Your satisfaction will be our greatest impetus
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