This listing is for an AS IS Monroe 58651 Sensa-Trac Load Adjusting Shock Absorber, Set of 2! Features of this listing are: All Weather Fluid: Contains special modifiers to reduce friction and ensure smooth rod reaction Full Displaced Valving: Tuned specifically for each application, this valving automatically adjusts to road extremes to provide consistency and ride comfort Fluon Banded Piston: Works with the existing groove tube technology to provide responsiveness to changing road conditions Unique Groove Tube - PSD: Precision tapered grooves help provide added control without sacrificing comfort Nitrogen Gas Charged: For improved ride and handling, helps maintain tire to road contact by reducing aeration Please ask any questions before the end of the listing!