CSF Radiators are made from military grade aluminum to surpass any other radiator on the market for quality and durability. Each radiator undergoes the most testing we've ever seen, with everything from burst pressure to wind tunnel testing, CSF demands the most out of their radiators to ensure they are the best performing and highest quality radiator you can buy. Each radiator is designed to have drop in fitment, and require no modifications for installation. CSF even ensures their packaging is the best. Each package is built to withstand a 10 foot drop to make sure that when you get your radiator, it's flawless.