Polaris Xpedition 8" Portal Gear Lift

Take Your Polaris Xpedition Over the Top with GDP Portals
Turn your Polaris Xpedition into a powerhouse with SuperATV’s GDP Portals. With a 45% gear reduction and 8” of lift in one package, you’ll have the ability to tackle tough terrain and run up to 38” tires. For maximum strength, upgrade from cast housing to billet aluminum housing. Plus, we’re the only company that offers portals for your rig.

Conquer Every Terrain
Conquer tough terrain easily with GDP Portals. You’ll have the ground clearance you need to put larger tires on your Polaris Xpedition. With a 45% gear reduction, you’re getting maximum torque—so you’ll be able to run large tires as if they were stock size.

Protect Your Drivetrain with GDP Portals
GDP Portals move the gear reduction to the wheel hub instead of the transmission. This setup helps keep your axles, prop shaft, differential, and transmission safer by putting less stress on them. You get more power without wearing out your drivetrain.

Maximum Strength
Your Xpedition is tough—why shouldn’t your portals be? Our GDP Portals come in cast or billet aluminum housing. Combine that with our backing plates that are made of advanced steel alloy and you’re getting the toughest portals on the market.

• Our housings are reinforced for gear retention and optimized for oil flow
• Advanced steel alloy backing plates are stronger than chromoly
• Enhance with Portal Blood—gear oil formulated for GDP Portals
• There are no gimmicks and no vents because vents do more harm than good—we know because we tested them

Advanced Gaskets, Seals, and Bearings
Our 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

The Customer Service You Need
We have a dedicated customer service team that will help you find what works best for you. Give us a call and we can get you set up with the right portals ASAP.

8" Portal Gear Lift 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
• (4) Shims
• Extended brake lines with parking brake
• All required hardware including recessed castle nut socket

Max Tire Sizes for 8” Portal Gear Lift
Max Tire Size	Required Suspension Setup with GDP Portals
38"	Stock
41”	Forward Offset A-Arms
If you need help figuring out which gear reduction is right for you, check out our portal gear reduction calculator .
Max tire sizes are measured at full compression and full turn. The given tires sizes are the largest we fit without rubbing. With minor trimming or a small amount of rub, larger tire sizes can be used.