Machined aluminum upper surprise limit for T4 SLP aluminum shock absorbers. Ebony color. Group of 2. The upper aluminum cap features a tiny vent opening which makes surprise assembly really predictable and easy, since extra shock oil will escape through this vent hole making sure only the appropriate quantity of the oil is inside the shock construction. Machined inside ridges assure appropriate positioning and sealing of this super-soft silicone membrane layer.
