Kawasaki Teryx KRX 1000 4" Portal Gear Lift by SuperATVGen 3 Portals Are Geared for All We believe a side by side should be as unique as the rider who owns it. Thats why we like to give you options when it comes to customizing the way you ride. When you get SuperATVs GDP 4 Portal Gear Lift for your Kawasaki Teryx KRX 1000, you get to pick your level of gear reduction (15% or 30%), style of housings (cast or billet aluminum), and single or dual idler gears. It doesnt matter what kind you chooseif it says