Here is the trap every Ranger owner walks into with big tires. You fit 32s, you get the clearance you wanted, and then the machine feels slower, the belt runs hotter and the whole driveline starts complaining — because you just changed the final drive ratio without changing the gearing. A lift kit gives you room for the tire. It does nothing about what the tire costs you. The SuperATV 4" Portal Gear Lift for the Polaris Ranger XP 1000 solves both problems in one kit, because the lift happens at the hub and the gear reduction comes with it.
How a portal differs from a lift kit
A portal box bolts to the end of your existing suspension and puts a gear set between the axle and the wheel, so the hub sits four inches lower than the axle centerline. You get the ground clearance without lifting the body or changing suspension geometry, and you get a gear reduction in the bargain.
SuperATV makes a specific point about where that reduction lives: a normal gear reduction goes in the transmission, while a portal reduction goes in the hub. Because it is at the hub, the entire driveline upstream of it works less and wears less — axles, differential, prop shafts and transmission all see lower torque. Combine that with factory suspension geometry being preserved and you have the argument for portals over gearing changes anywhere else in the machine.
You choose the amount: 15% or 30% gear reduction. SuperATV's guidance is that 15% suits trail riding and moderate tire sizes, while 30% is the pick for a heavy machine, aggressive terrain, or larger tires that need the extra torque. A Ranger XP 1000 that spends its life loaded or towing leans toward the 30%.
The dual idler option
Each portal box can be built with one idler gear or two. The second idler spreads the load across twice as much gear surface area, which SuperATV describes as more reliable torque transfer and the strongest gear set available — and they are candid that two idler gears do nothing unless they are mated perfectly, which is what the precision CNC grinding is for. Gears are made from 9310 steel alloy.
One thing to know before you order dual idlers: the configuration adds roughly 1.5 inches of total offset, so the machine gets slightly wider. That is not a drawback for most people — a wider track is more stable, particularly on big tires and side hills — but it is a dimension change, and worth knowing if you load into a trailer with inches to spare.
Built to be left alone
- Cast and billet aluminum housings, reinforced for gear retention and optimized for oil flow
- 5/16" backing plates in an advanced steel alloy, stronger than chromoly
- Sealed input gear and a double-lipped output seal, with 100% sealing coverage
- Double-angular contact output bearings to prevent premature wear
- Roller idler and drive bearings to maintain gear meshing
- Advanced gaskets and O-rings with high oil resistance and low deterioration rates
- No vents — SuperATV tested them and found they do more harm than good
What the kit includes
- (4) assembled portal hub boxes 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) steel steering arms
- (2) caliper adapter plates (specific models only)
- Extended brake lines
- All required hardware, including a recessed castle nut socket
- Frame stiffener (optional)
Tires, wheels and fitment
SuperATV publishes maximum tire sizes for the 4" portals measured at full compression and full turn:
- 28.5" on stock suspension
- 29.5" with a 3" lift kit
- 31" with 1.5" forward front A-arms
- 36" with a 6" lift kit
Wheel requirements are specific, so check yours before you order: 14" or larger wheel, no more than 5" backspacing, a center hole of at least 3.25" (or a 1" wheel spacer), and no dual beadlock wheels. Two notes from SuperATV worth catching as well — the optional frame stiffener is front-only and does not fit the High Lifter Edition, and if you are running or planning a RIDE System rear steering kit you should call SuperATV so the correct compatible parts go in the box.
Fitment covers the 2017 and newer Polaris Ranger XP 1000 and XP 1000 Crew, including High Lifter, NorthStar Edition, NorthStar Premium, NorthStar Ultimate, Big Game, Texas Edition, Trail Boss, Waterfowl and Back Country trims within their listed years.
Order it at SxS Outpost
The SuperATV Polaris Ranger XP 1000 4" Portal Gear Lift starts at $2,499.95, with gear reduction, dual idler and frame stiffener options taking a fully optioned kit to $3,664.90. It is a genuine SuperATV part shipped direct from SuperATV with their warranty; current terms are listed on the product page. See the rest of what fits in the Polaris Ranger XP 1000 and Polaris Ranger Crew XP 1000 collections, or browse the full Portal Gear Lifts lineup.