The Pontiac Trans Sport Shocks brand new and are sold individually. This is a complete assembly. The Shocks come with everything you need for replacement on your Trans Sport suspension. Your new Trans Sport Rear Air Shock will perform just like the original Trans Sport suspension you have become accustomed to. Our Trans Sport Shocks come with a *Lifetime Warranty*. The Shocks bolt directly in place of your original Shocks without any vehicle modifications.