Streamline’s dominating SS7 stabilizers are built with an aluminum construction throughout and are offered in both a Non-Rebuildable and Rebuidable option. All stabilizers come with removable billet end caps protecting the seals from dirt and mud which cause wear to the seals. A billet adjusting knob is also included. SS7 Stabilizers offer a wide range of adjustability and performance providing 7 adjustments from soft to hard which are designed to absorb thousands of pounds of impact.