Polaris RZR Parts For Sale FS: Viper winch mount for XP900 May 4, 2015 I have Viper winch mount for sale. It was used to mount a Viper 4500MX winch in my XP900. I’d like $35 shipped anywhere in the US. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related