Fits: Polaris RZR Trail 900 Sport : 2021+
Polaris RZR Trail 900 Premium : 2021+
Polaris RZR Trail 900 Ultimate : 2021+
Wheel Requirements: 14 or larger wheel REQUIRED CANNOT exceed 5 backspacing Wheels NEED to have a center hole of at least 3.25" (82.55mm) or REQUIRE a 1 wheel spacer Super ATVs GDP 4 Portal Gear Lift transforms your Polaris RZR Trail 900 with lift, torque, and ultimate drivetrain protection. Choose between 15% or 30% gear reduction and cast or billet aluminum housings to customize your ride for any terrain - especially mud. Built with precision-ground 9310 alloy steel gears, reinforced housings, and unmatched strength, GDP portals are the most trusted in the industry. Tailored Performance: 15% for speed, 30% for torque; customizable housing options Stronger Internals: Industry-best 9310 alloy gears, double-angular and roller bearings Durability Focused: 5/16 advanced steel backing plates; sealed and ventless for zero oil leaks Drivetrain-Saving Design: Hub-based gear reduction reduces stress on axles and transmission Universal Compatibility: Comes with multiple bolt patterns and slotted stainless rotors Tested, Trusted, Proven: Backed by leading R&D, expert support, and field-tested strength This Gen 3 GDP portal system is engineered to conquer mud, rocks, and trails while keeping your machine running smoother and longer. Kit Includes:
(4) Assembled portal hub boxes complete w/ 9310 gears, seals, output shaft, gaskets, and thrust bearings (4) Universal hubs and precision-ground stainless steel slotted rotors w/ lugs (4) Specialized steel alloy backing plates (4) Steel caliper mounting plates (2) Steel steering arms Extended brake lines with parking brake and brake cable brackets All required hardware including recessed castle nut socket Features: Available with billet or cast aluminum housings 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 driveshaft Housings use advanced gaskets that dont let anything through Universal hub fits all major bolt patterns Gear reduction reduces stress on your drivetrain Weighs 194 lb. total, which is 50+ lb. lighter than the competition If you are curious about how to install this product, you can view the Install Instructions here. .
