Fits: Polaris RZR Trail S 1000 Premium : 2021+
Polaris RZR Trail S 1000 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 Upgrade your RZR with Super ATVs 4" GDP Portal Gear Lift, offering unmatched strength, durability, and customization. Choose between 15% or 30% gear reductions and cast or billet aluminum housings to suit your riding style. The optional Dual Idler® Gear system spreads torque across more surface area for maximum reliability using precision-ground 9310 steel gears. Portals relocate gear reduction to the hub, easing drivetrain stress and increasing component longevity. Customizable Options: 15% for speed, 30% for torque; cast or billet housings; upgrade to dual idlers for max strength Built for Durability: Reinforced housings, advanced backing plates, and proprietary seals prevent leaks and reduce wear Engineered to Perform: Portals are sealed, ventless, and use specialized bearings and gaskets for optimal oil flow and strength Less Drivetrain Stress: Gear reduction at the hub preserves axles, diffs, and transmissions GDP Portals are the most trusted and refined on the market - designed to handle anything from high-speed trails to deep mud and rock crawling. 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 with spacers (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 housing Dual idler gear configuration maximizes strength Cool, quiet, precision-ground gears made from 9310 alloy billet steel 1.5 in. diameter 4340 hardened steel drive shaft Housings use advanced gaskets or O-rings that dont let anything through Universal hub fits all major bolt patterns Gear reduction reduces stress on your drivetrain Dual idler gear configuration adds a 3/4 front and rear offset - 1.5 total extension Lighter than the competition If you are curious about how to install this product, you can view the Install Instructions here. If you are curious about how to install this product, you can view the Install Instructions here. .