SuperATV Polaris ATV 4" Portal Gear Lift
1008-0558 (MFG #: PGH-1-21-151)
$4,083.95
Sale price
$4,083.95
Regular price
$4,287.99
Sale
-4%
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SuperATV Polaris ATV 4" Portal Gear Lift for Polaris Scrambler 850 ATV
SuperATV Polaris ATV 4" Portal Gear Lift for Polaris Scrambler 850 ATV
$4,083.95
Sale price
$4,083.95
Regular price
$4,287.99
Sale
-4%
SKU:1008-0558
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Description
Portals Are Geared for All
Portals are geared for all, and that means we’re not putting anyone in a box. Choose a 15% or a 30% gear reduction to match your ride style. Love going big and going deep? Get 30% gear reduction for maximum torque and bigger tires. Prefer trail riding? Get a 15% gear reduction. Need ultimate strength? Opt for our dual idler configuration. The choice is yours. Ride your way wherever you want. Let GDP take you where no one else can go.
What is a Dual Idler®?
Perfection takes time. After years of research and development, we’ve made our dual idler gear portals unlike any other. By placing a second idler gear in the portal box, the load gets spread over twice as much surface area for more reliable torque transfer and the strongest gear set you can get. Two idler gears don’t do a thing if they’re not mated perfectly, though. Precision CNC grinding ensures ours do. Our gears are made from the industry’s toughest 9310 steel alloy. Didn’t think dual idlers mattered? With GDP’s quality and experience, they finally do.
Perfect for All Kinds of Rides
Love mud? The deeper you go, the more you’ll realize how much torque a 30% portal gear reduction really gives you. Plus that extra ground clearance will keep you from getting swamped. Portals plus mud just makes sense. For trails, desert, and dunes, check out our 15% gear reduction that maintains a higher top speed while still giving you punchy torque.
A Gear Reduction That Protects Your Drivetrain
Portals have their gear reduction right in the hub. That makes this gear reduction reduce the stress on your axles, differential, Prop shaft, and transmission. You can ride harder than stock and cause less wear. It’s a win-win, and a recipe for fun.
Stronger Housings by Design
You think you can find better housings that GDP housings? Think again. Our housings are stronger by design. We know what makes a housing break and why. That’s why whether you choose cast or USA-made 6061 billet aluminum with a dead sexy CNC-machined finish, you’re getting a kick-ass housing with unmatched strength and reliability. Plus, they’re supported by our unstoppable backing plates made with an advanced steel alloy.
Advanced Gaskets, Seals, and Bearings
Our portals use:
Complete the Package with a Frame Stiffener
Portals and monster tires are fun, but they can place additional stress on your machine’s frame. To make your suspension bulletproof, don’t forget to add a SuperATV Frame Stiffener when you check out!
Portals are geared for all, and that means we’re not putting anyone in a box. Choose a 15% or a 30% gear reduction to match your ride style. Love going big and going deep? Get 30% gear reduction for maximum torque and bigger tires. Prefer trail riding? Get a 15% gear reduction. Need ultimate strength? Opt for our dual idler configuration. The choice is yours. Ride your way wherever you want. Let GDP take you where no one else can go.
What is a Dual Idler®?
Perfection takes time. After years of research and development, we’ve made our dual idler gear portals unlike any other. By placing a second idler gear in the portal box, the load gets spread over twice as much surface area for more reliable torque transfer and the strongest gear set you can get. Two idler gears don’t do a thing if they’re not mated perfectly, though. Precision CNC grinding ensures ours do. Our gears are made from the industry’s toughest 9310 steel alloy. Didn’t think dual idlers mattered? With GDP’s quality and experience, they finally do.
Perfect for All Kinds of Rides
Love mud? The deeper you go, the more you’ll realize how much torque a 30% portal gear reduction really gives you. Plus that extra ground clearance will keep you from getting swamped. Portals plus mud just makes sense. For trails, desert, and dunes, check out our 15% gear reduction that maintains a higher top speed while still giving you punchy torque.
A Gear Reduction That Protects Your Drivetrain
Portals have their gear reduction right in the hub. That makes this gear reduction reduce the stress on your axles, differential, Prop shaft, and transmission. You can ride harder than stock and cause less wear. It’s a win-win, and a recipe for fun.
Stronger Housings by Design
You think you can find better housings that GDP housings? Think again. Our housings are stronger by design. We know what makes a housing break and why. That’s why whether you choose cast or USA-made 6061 billet aluminum with a dead sexy CNC-machined finish, you’re getting a kick-ass housing with unmatched strength and reliability. Plus, they’re supported by our unstoppable backing plates made with an advanced steel alloy.
- 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
Complete the Package with a Frame Stiffener
Portals and monster tires are fun, but they can place additional stress on your machine’s frame. To make your suspension bulletproof, don’t forget to add a SuperATV Frame Stiffener when you check out!
To avoid any fitment issues, please make sure to select the exact year, make and model of your vehicle. If you are unsure, please reach out to us at 1-800-265-2970 for assistance prior to purchasing.
Note that this part is built-to-order and NON-RETURNABLE. This part must be installed by a licensed professional to avoid any issues related to the complex installation.
Technical Specifications
- MFG. Part Number PGH-1-21-151
Vehicle Information
Polaris Scrambler 850 ATV (2013-2026)
The Polaris Scrambler 850, produced from 2013 to 2026, is a high-performance ATV known for its robust capabilities and aggressive styling. Powered by a consistent 850cc ProStar 4-Stroke SOHC Twin Cylinder engine with Electronic Fuel Injection, it delivers reliable power for trail riding and sport performance. While the core engine displacement remained constant, the Scrambler 850 saw continuous refinements rather than full generational overhauls. Horsepower increased from 77 HP (2013-2015) to 78 HP (2016-2026). Early model years (2013-2015) featured distinct trims like the XP and Limited Edition models with premium features such as Fox Podium X shocks and Electronic Power Steering (EPS). From 2016 onwards, the model generally consolidated into a single base trim, with variations primarily in color, and some premium features like EPS became less consistently standard. Newer models (2025-2026) also introduced LED headlights. These changes mean that parts compatibility can vary significantly across the production run. Frequently Asked Questions
Q: How do I ensure I select the correct parts for my Polaris Scrambler 850?
A: Due to variations in horsepower, trim levels, and features across the 2013-2026 model years, it is crucial to use our year and edition selector on this page to guarantee a precise fit for your specific vehicle.
Maintenance
| Component | Interval | Details |
| Initial Break-In Service | 25 hours or 400 km (whichever comes first) | Engine oil and filter change. |
| Engine Oil and Oil Filter | After break-in: every 200 hours, 6 months, or 3,200 km (whichever comes first) | |
| Air Filter | Inspect and clean as needed. Replace as necessary. | Ensure proper installation. Inspect and clean ducts and screens. For severe use, perform maintenance at 50% of the interval. |
| Spark Plug | Inspect and replace as needed. | |
| Drive Belt | Inspect and replace as needed. | Inspect bushings, rollers, and other wearable parts, cleaning and replacing worn components. |
| Coolant | Inspect fluid level and check for leaks as needed. Pressure test yearly. | Add coolant if needed. Inspect coolant strength seasonally. |
| General Inspections | Regularly | Inspect steering, suspension components (tie rods, wheel bearings, bushings, ball joints, shock absorbers), tires/wheels, and wiring for wear, damage, or looseness. |
| Lubrication | As per manual | Lubricate all fittings, pivots and cables. |
Maintenance intervals are based on general Polaris ATV recommendations. They may vary slightly by model year and operating conditions. It is essential to consult your vehicle's official owner's manual for precise information.