CNC high performanced cylinder head with upgraded CDI for 80cc motorized bike

Description

This item will be sent from our China Factory and will not accpet returns. So pls confirm you know exactly about this item, the size and the usage, if you have any question for it, pls feel free to contact me first.
This cylinder head apply to 2 stroke 80cc bicycle engine(cylinder bore 47mm)
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cylinder head size: L93 x W93 x H50 mm  pls see picture
This item include:
CNC cylinder head x1
upgrade dual spark plug CDI x1
spark plug x2