Polaris RZR XP 900 4" Portal Gear Lift Portal Gear Reduction:15% both housings use: Advanced Thermo-Tork®

both housings use: Advanced Thermo-Tork® gaskets with excellent oil resistance and a lower deterioration rate than Kevlar gaskets A sealed input gear and double-lipped output seal 100% sealing coverage throughout so you can forget about oil leaks Bearings That Rock We’re all about delivering worry-free riding

Ships on Pallet

the all-new MX-SI gives motocross riders and racers an edge with superior traction in a wide range of conditions

Will work with factory doors

Each arm is made with a precise blend of hand-welded materials and tubing that’s 25% larger than stock

Polaris RZR XP 900 4" Portal Gear Lift Portal Gear Reduction:15% both housings use: Advanced Thermo-Tork®Available with billet or cast aluminum housing Cool, quiet, precision ground gears made from 9310 alloy billet steel Increases width by 4 in. per side (8 in. total) 1. 5 in. diameter 4340 hardened steel drive shaft No leak bearings and seals Universal hub fits all major bolt patterns Comes complete with all hardware, backing plates, brakes lines and instructions Wheel Requirements: 14 or larger wheel required 14 & 15 wheels cannot exceed 4 1 2