Polaris RZR Parts For Sale hpd 800 diffs June 14, 2015 I have 2 extra hpd rear diffs for 800’s one is complete one is the just the pieces you get with the hpd kit I would take (900 complete)and (700 kit) 708 646-6583 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related