Cylinder Head Direct installation,better sealing,no air leakage.High-performance piston,Can provide better power output
Warranty:We are always available to help our customers.Please message us for replacement or refund if you are not satisfied with the order
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
Specification Size: Cylinder diameter:57.4 mm Spark plug diameter:10mm