DTA 40437 Shocks Struts Full Set for 4 corners of the vehicle (pack of 4 pcs) Infiniti M35 M45 RWD Without Sport Suspension Made to OE quality standards and performance; Infiniti M35 M45 RWD Without Sport Suspension High corrosion resistance and long service life Teflon bonded piston seal to keep friction down and temperature cooler so that valving stays firmer All-around welding on the spring seat instead of spot welding OE quality piston by NOK , ensuring product quality and durability