The tanks are 100% welded by TIG. The material of the radiators is the same as aircraft manufacture material. Including : left and right side radiator.The item "Aluminum alloy radiator for HUSQVARNA FC250/TE250/TE300/FE350 2017-2018" is in sale since Thursday, March 21, 2019. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engines & Engine Parts". The seller is "winner_racing_tuning" and is located in LINYI,SHANDONG. This item can be shipped worldwide.