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.
Easy to Install.The Cylinder Rebuild Kits Is An Ideal Replacement for Your Old Or Broken Ones.
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.
Warranty:We are always available to help our customers.If you are not satisfied with the order,please leave us a message.Wish you have a happy shopping experience,we are committed to providing the best service.