spring rear right ram 1500 09 18 19 classic copyRight rear spring RAM 1500 09 18 19 + classic Mopar replacement coil springs are made of high quality steel and coated to resist rust and corrosion. when you need to replace your original suspension springs, ride quality and safety may be affected by minor changes to the spring constant or fitment. you can rest assured that these coils will fit like original equipment because they are original equipment. order the model designed for your application.