This Rear Gas Shock Compatible with Polaris will fit all models Sportsman 800 EFI 2005 ATV Part# 183-04301. Includes - S, R, B* 10% stiffer springs provide a better ride and higher load capacity * Works great on the front to better support your snowplow and on the rear when hauling cargo. * Items Included where applicable: S=Spring, C=Cam, R=Retainer, B=Bumper, P=Protector
