Polaris RZR Trail 900 8" Portal Gear LiftAvailable with billet or cast aluminum housing Cool, quiet, precision ground gears made from 9310 alloy billet steel 1. 5 in. diameter 4340 hardened steel drive shaft Increases width by 4 in. per side (8 in. total) 1. 5 in. forward and rear offset Housings use Thermo Tork gaskets that dont let anything through Universal hub fits all major bolt patterns Gear reduction reduces stress on your drivetrain Wheel Requirements: 22 or larger wheel required