All struts are made of structural steel, which ensures adequate strength and stiffness. Each strut is powder coated in black mat, under the paint there is a zinc primer to prevent corrosion Dedicated to: Subaru Forester I Main advantages and reasons for using struts: stiffening the body better cornering recommended for sports suspension improves driving comfort prevents cracking the windshield Recommended in every older car, they prevent the sockets from "collapsing" Note: After purchase, please specify the year and type of engine. All struts are made of structural steel, which ensures adequate strength and stiffness. Each strut is powder coated with black mat, under the paint there is a primer zinc, which prevents corrosion.Dedicated to: Subaru Forester I Main advantages and reasons for using struts: stiffening the car body better cornering recommended for sports suspension improves driving comfort prevents cracking of the windshield recommended in every older car prevents sagging Note: After purchase, please specify the year and type of engine.