The material of the radiators is the same as aircraft. We are factory sales, we take any wholesale order, feel free to ask. And we will do the same for you automatically! Thank you for your cooperation.International buyers - Please Note. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Engines & Components". The seller is "coolingsuper" and is located in this country: US. This item can be shipped worldwide.