I don't think there is a way to put power steering on value model sportsman, the XP's are the only ones that the EPS unit will bolt into and work with the electronics the XP has. Nothing aftermarket as far as I know.
Mine- 2011 Sportsman X2 550 With EPS!!
-Mile Marker 2500lb Winch, Guru Brush Guard, 3000K HID's, PIAA Driving Lights, Autometer Phantom Oil Temperature, Coolant Temperature, and Voltmeter Gauges, Polaris Low Lock and Ride windshield, Acerbis Handguards, Symtec Heated Grips and Thumb warmer, 2+2 gallon Rotopax Fuel packs, Warn 60" Provantage Plow w/ Power Pivot
Hers- 2000 Magnum 325 2x4
-Symtec Heated Grips and Thumb warmer, Oil Pressure gauge, working on a few other goodies
Click here to learn how to add EPS to an XP!!! ---> http://www.polarisatvforums.com/foru...eering-x2.html