Polaris RZR Parts For Sale 800RZR Lock N Ride Cargo Box For Sale April 15, 2015 For sale: Polaris Lock N Ride Cargo box. Fits in the bed of the 570, 800, 800 S and 800 4 seater. Upgraded to a ryfab box and no longer need. $150 or best offer. Attached Thumbnails Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related