Ranger RZR 4 800 EPS Robby Gordon The 2011 Ranger RZR 4 Robby Gordon Edition is the world's first 4-seat sport Side x Side. Built for extreme, razor-sharp performance and agility in the dunes, desert and wide-open spaces. Key features are: 800 twin-cylinder High Output EFI engine Fox Podium X 2.0 racing shocks with piggyback reservoirs Maxxis Bighorn 26 in. radial tires with 12 in. aluminum rims