High Lifter (SPRPF850 Lift Spring Polaris 550 Sportsman 2009-2010 Polaris 550 Sportsman 2011 Higher capacity than OEM Engineered to provide about 100 additional pounds of capacity (per set) over the new stock springs High Lifter lift springs have been known to add on full inch of suspension lift; however, it's not guaranteed A complete set of the lift springs may be installed for substantially less than the cost of one replacement OEM shock