RZR XP 1000 XP 1000 Diff upgrades?? August 17, 2015 Anyone make billet internals parts for the XP 1000 diffs. Mine are both 2014’s and rock crawlers so lots of stress on the internals. Anyone make upgrades for them>?? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related