aximize Performance with GDP PortalsTake your Honda Rubicon beyond its limits with SuperATV’s ” Portal Gear Lift. It gives you a lift and gear reduction in one package. And with your choice of a 30% or 45% gear reduction, you get the torque you need to conquer mud, rocks, and hills. You’ll also get more ground clearance and the ability to run bigger tires. If you want to dominate every ride, GDP Portals give you the power and performance to do it all.Unmatched Torque and PowerA 30% or 45% gear reduction gives your Rubicon serious power. If you want to tackle deep mud, haul heavy loads, or run massive tires, go with the 45% reduction. If you want to maintain your top speed while boosting torque, the 30% reduction is your best bet.Protect Your Drivetrain for the Long HaulExtra power means extra strain—but these Honda Rubicon GDP Portals protect your drivetrain. The gear reduction is built into the hub, keeping your axles, differential, and transmission protected from excess wear. And since our Honda Rubicon portals maintain your stock suspension, your axles stay cooler and last longer.Stronger Than the CompetitionYou ride hard—your Honda Rubicon portals should need to be tough enough to handle it. Our cast and 6061 billet aluminum housings are built for extreme conditions, reinforced with advanced steel backing plates that’s stronger than chromoly. 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 BearingsOur 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 Get Expert HelpNeed help choosing the right setup? Our customer support team is here to make sure you get the perfect set of portals. Call us today, and let’s get your Rubicon ready for anything. 4” 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 (2) Steel caliper mounting plates (2) Caliper mounting plate shims Extended brake lines All required hardware, including recessed castle nut socket 6” 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 (2) Steel caliper mounting plates (2) Caliper mounting plate shims Extended brake lines All required hardware, including recessed castle nut socket   Honda Rubicon 500 : 2015-2019 Honda Rubicon 520 : 2020+ Honda Rancher 420 : 2014+ Honda Foreman 500 : 2015-2019 Honda Foreman 520 : 2020+ NOTE: Only compatible on machines with IRS (Independent Rear Suspension)Wheel Requirements 18” or larger wheel required 20” and larger wheels cannot exceed 5” backspacing