Polaris RZR Trail 900 4" Portal Gear Lift

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 ATV’s 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 don’t 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.

This item usually ships in 2-3 business days.