RZR 4 Specific Discussion Biggest tire you can put on 800 4 June 9, 2015 Bought a rZr 800 4 and was wondering the tallest tire you can put on it stock? Looking to go with a dot tire since mine is street legal. Bad part is I have Motorsport alley wheels that are 15". Thanks Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related