This is a mini version of Knucklehead Engine. It is reduced in a ratio of 1: 5, and the details of each part are truly restored.
The engine is 120mm long, 80mm wide, 110mm high. 1100g. The displacement is 4.2ml, the cycle diameter is 13mm, and the itinerary is 16mm.
Shipping:
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when you do payment).
Items will be shipped within 3 business day once payment confirmed.Delivery time depends on destination and other
factors, it may takes up to over 20 business days.