The core of the radiator is welded in vacuum brazing furnace, no epoxy. The tanks are 100% welded by TIG.All Aluminum include Core & Tank. Engine Codes:S52 M52 M50TU. (There is no expansion tank on the side). Core and Tank: ALL ALUMINUM. Include: One set aluminum radiator + fan. We are factory sales, not importer, we supply PREMIUM QUALITY all aluminum radiator, silicone hose, oil cooler, intercooler, fans and son on for racing car and motorcycle. We take any wholesale orders, Welcome to consultation. Thank you for your cooperation. Thanks for your support, welcome back again! This item is in the category "Vehicle Parts & Accessories\Car Parts & Accessories\Engine Cooling Components\Caps". The seller is "rstar_radiator" and is located in this country: CZ. This item can be shipped to United Kingdom, European Union.