Polaris Sportsman / Sportsman HO rear left/right cv axle 550 / 850 Please verify your year, make and model in the product details before purchasing. OEM Replacement. Brand New Complete CV Axle Assembly 4340 Cr-Moly Steel Shaft Fully Assembled inboard / outboard cv joints with neoprene boots 1 Year Warranty (excludes lift kits & torn boots)