SuperATV 8in. Portal Gear Lift for Polaris RZR Pro S

If you're ready to blast through the nastiest, thickest mud, you need SuperATV's Polaris RZR Pro S 8 Portal Gear Lift. It gives you the ground clearance to rip through deep muck without getting bogged down. And with your choice of a 45%, 60%, or 70% gear reduction, plus billet or cast aluminum housings, you can turn your RZR into the ultimate mud machine and rock massive tires.

What's a Dual Idler?

These CNC-ground idler gears provide flawless torque transfer and reliable power, so you can push hard without worry.

Choose Your Power: 45%, 60%, or 70% Gear Reduction

Big tires don't just look mean - they turn mud pits into playgrounds. SuperATV 8 GDP Portals give you the space and gear reduction you need to throw on massive tires without killing your performance. But big rubber needs big power. That's why SuperATV offers 45%, 60%, or 70% gear reductions to keep your ride ripping.

Save Your Drivetrain

With GDP portals, the gear reduction happens right at the hub, meaning less stress on your drivetrain. Your axles, differential, prop shafts, and transmission don't take a beating just to keep those monster tires rolling. Your machine will thank you.

Built to Dominate

SuperATV GDP portals are designed to take whatever punishment you throw at them. Whether you go with cast or 6061 billet aluminum housings, you're getting unmatched strength from a battle-tested design. Does your RZR deserve anything less?

• SuperATV housings are reinforced for gear retention and optimized for oil flow
• Advanced steel alloy backing plates are stronger than chromoly

Advanced Gaskets, Seals, and Bearings

SuperATV portals use:

• Advanced gaskets and O-rings with excellent oil resistance and low deterioration rates
• A sealed input gear and double-lipped output seal
• 100% sealing coverage throughout so you can forget about oil leaks
• Double-angular contact output bearings to prevent premature wear
• Roller idler and drive bearings to maintain perfect gear meshing

8 Portal Gear Lift Includes

• (4) Assembled portal hub boxes complete with 9310 gears, seals, output shaft, gaskets, and thrust bearings
• (4) Universal hubs and precision-ground stainless steel slotted rotors with lugs
• (4) Specialized steel alloy backing plates
• (4) Steel caliper mounting plates
• (2) Caliper adapter plates (dual idler configuration only)
• Extended brake lines
• All required hardware, including recessed castle nut socket

8in. Portal Gear Lift Fitment

2025-2026

• Polaris RZR Pro S
• Polaris RZR Pro S 4