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Super ATV Can-Am Defender 4" Portal Gear Lift

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$3,401.93 - $5,528.18
$4,439.91 - $7,214.91

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SKU: DEF4PGL
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Product Details

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 1-855-833-0277 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.

Fitment for Kit #1

  • Defender HD 5 2017-2021
  • Defender HD 5 DPS 2017-2021
  • Defender HD 8 2016-2021
  • Defender HD 8 DPS 2016-2021
  • Defender HD 8 XT 2016-2021
  • Defender HD 10 2016-2019
  • Defender HD 10 DPS 2016-2021
  • Defender HD 10 XT 2016-2021
  • Defender HD 10 XT Cab 2016-2021
  • Defender HD 10 XTP 2018-2021
  • Defender HD 10 Mossy Oak 2018-2021
  • Defender HD 10 PRO 2020-2021
  • Defender Max HD 8 2017-2021
  • Defender Max HD 8 DPS 2017-2021
  • Defender Max HD 8 XT 2017-2021
  • Defender Max HD 10 2017-2021
  • Defender Max HD 10 DPS 2017-2021
  • Defender Max HD 10 XT 2017-2021
  • Defender Max HD 10 XT Cab 2017

Fitment for Kit #2

  • Defender HD 10 XMR 2018-2021
  • Defender HD 10 XT Cab 2018-2021
  • Defender Limited 2020-2021
  • Defender Max HD 10 XT Cab 2018-2021
  • Defender Max Lone Star Edition 2018-2021
  • Defender Max HD 10 XMR 2019-2021
  • Defender Max Limited 2020-2021

Fitment for Kit #3

  • Defender HD 9 2022-2024
  • Defender HD 9 DPS 2022-2024
  • Defender HD 9 XT 2022-2024
  • Defender HD 9 DPS CAB 2022-2024
  • Defender HD 10 2022-2024
  • Defender HD 10 DPS 2022-2024
  • Defender HD 10 XT 2022-2024
  • Defender HD 10 XT Cab 2022-2024
  • Defender HD 10 XTP 2022-2024
  • Defender HD 10 Mossy Oak 2022-2024
  • Defender HD 10 XMR 2022-2024
  • Defender Limited HD 10 2022-2024
  • Defender Pro HD 10 2022-2024
  • Defender Max HD 9 2022-2024
  • Defender Max HD 9 DPS 2022-2024
  • Defender Max HD 9 XT 2022-2024
  • Defender Max HD 10 DPS 2022-2024
  • Defender Max HD 10 XT 2022-2024
  • Defender Max HD 10 XT Cab 2022-2024
  • Defender Max HD 10 XMR 2022-2024
  • Defender Max HD 10 Lone Star Edition 2022-2024
  • Defender Max HD 10 Limited 2022-2024

Features

  • Available with billet or cast aluminum housing
  • Dual idler gear configuration maximizes strength
  • Cool, quiet, precision ground gears made from 9310 alloy billet steel
  • Increases width by 4 in. per side (8 in. total)
  • 1.5 in. diameter 4340 hardened steel drive shaft
  • Housings use advanced gaskets or O-rings that don’t let anything through
  • Universal hub fits all major bolt patterns
  • Gear reduction reduces stress on your drivetrain
  • Dual idler gear configuration adds a 1” forward and rear offset
  • Lighter than the competition

Wheel Requirements

  • 14” or larger wheel required
  • Wheels cannot exceed 4-1/2” backspacing
  • Not compatible with dual beadlock wheels
  • Wheels need to have a center hole of at least 3.25" (82.55mm) or require a 1” wheel spacer

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 stainless steel slotted rotors with lugs
  • (4) Specialized steel alloy backing plates
  • (4) Steel caliper mounting plates
  • (2) Steel steering arms
  • Extended brake lines
  • All required hardware, including recessed castle nut socket

GDP Portals Will Revamp Your Ride

GDP didn’t make the first side-by-side portal kit on the market—just the first kit that anybody gave a damn about. If you’re looking for a way to completely redefine your Can-Am Defender, look no further than SuperATV’s GDP 4” Portal Gear Lift. Choose between a 15% or 30% gear reduction, and add a dual idler gear for strength that you can’t find anywhere else. Get ready to discover why GDP is the most respected name in the portal game.

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 Riding Styles

It doesn’t matter where, when, or how you ride—there’s a GDP Portal Gear Lift for you. From the trails to mud bogs to wide-open dunes, our portals make every ride better. Get a 15% gear reduction to enjoy speedy rides and a torque boost. Or go for a 30% gear reduction to really gear down and turn those monster tires. You can even add a dual idler gear for ultimate strength. Our Can-Am Defender dual idler portals are perfect for riders who don’t slow down for anything.

A Gear Reduction That Protects Your Drivetrain

Portals put the gear reduction right in the hub, after your transmission, prop shaft, differential, and axles. That means it reduces stress on your entire drivetrain. You get more power and your most vital components will last longer, too. That’s a win-win.

Nothing Is Stronger Than GDP

We know how you ride—pedal to the metal, full send, the whole nine yards. That’s why we made sure GDP portals are the strongest on the planet. They’re available with cast or billet aluminum housings that are thicker and stronger than any other portal housings on the market. And they have 5/16” thick backing plates made from an advanced steel alloy. All of that comes together to bring you the best damn portal gear lift imaginable.

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 (sold separately)

Portals and monster tires are fun, but they can place additional stress on your machine’s frame. To make your suspension bulletproof, we recommend adding a SuperATV Frame Stiffener when you install your new Can-Am portals!

Max Tire Size Recommendations for 4” Portal Gear Lift
Max Tire SizeRequired Suspension Setup with 4" Portals
26"Stock
27"3" Lift Kit
28" to 34"2" Forward Offset A-Arms
28" to 38"6" Lift Kit
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.
Special Order: 2-4 weeks delivery

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 1-855-833-0277 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.

Fitment for Kit #1

  • Defender HD 5 2017-2021
  • Defender HD 5 DPS 2017-2021
  • Defender HD 8 2016-2021
  • Defender HD 8 DPS 2016-2021
  • Defender HD 8 XT 2016-2021
  • Defender HD 10 2016-2019
  • Defender HD 10 DPS 2016-2021
  • Defender HD 10 XT 2016-2021
  • Defender HD 10 XT Cab 2016-2021
  • Defender HD 10 XTP 2018-2021
  • Defender HD 10 Mossy Oak 2018-2021
  • Defender HD 10 PRO 2020-2021
  • Defender Max HD 8 2017-2021
  • Defender Max HD 8 DPS 2017-2021
  • Defender Max HD 8 XT 2017-2021
  • Defender Max HD 10 2017-2021
  • Defender Max HD 10 DPS 2017-2021
  • Defender Max HD 10 XT 2017-2021
  • Defender Max HD 10 XT Cab 2017

Fitment for Kit #2

  • Defender HD 10 XMR 2018-2021
  • Defender HD 10 XT Cab 2018-2021
  • Defender Limited 2020-2021
  • Defender Max HD 10 XT Cab 2018-2021
  • Defender Max Lone Star Edition 2018-2021
  • Defender Max HD 10 XMR 2019-2021
  • Defender Max Limited 2020-2021

Fitment for Kit #3

  • Defender HD 9 2022-2024
  • Defender HD 9 DPS 2022-2024
  • Defender HD 9 XT 2022-2024
  • Defender HD 9 DPS CAB 2022-2024
  • Defender HD 10 2022-2024
  • Defender HD 10 DPS 2022-2024
  • Defender HD 10 XT 2022-2024
  • Defender HD 10 XT Cab 2022-2024
  • Defender HD 10 XTP 2022-2024
  • Defender HD 10 Mossy Oak 2022-2024
  • Defender HD 10 XMR 2022-2024
  • Defender Limited HD 10 2022-2024
  • Defender Pro HD 10 2022-2024
  • Defender Max HD 9 2022-2024
  • Defender Max HD 9 DPS 2022-2024
  • Defender Max HD 9 XT 2022-2024
  • Defender Max HD 10 DPS 2022-2024
  • Defender Max HD 10 XT 2022-2024
  • Defender Max HD 10 XT Cab 2022-2024
  • Defender Max HD 10 XMR 2022-2024
  • Defender Max HD 10 Lone Star Edition 2022-2024
  • Defender Max HD 10 Limited 2022-2024

Features

  • Available with billet or cast aluminum housing
  • Dual idler gear configuration maximizes strength
  • Cool, quiet, precision ground gears made from 9310 alloy billet steel
  • Increases width by 4 in. per side (8 in. total)
  • 1.5 in. diameter 4340 hardened steel drive shaft
  • Housings use advanced gaskets or O-rings that don’t let anything through
  • Universal hub fits all major bolt patterns
  • Gear reduction reduces stress on your drivetrain
  • Dual idler gear configuration adds a 1” forward and rear offset
  • Lighter than the competition

Wheel Requirements

  • 14” or larger wheel required
  • Wheels cannot exceed 4-1/2” backspacing
  • Not compatible with dual beadlock wheels
  • Wheels need to have a center hole of at least 3.25" (82.55mm) or require a 1” wheel spacer

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 stainless steel slotted rotors with lugs
  • (4) Specialized steel alloy backing plates
  • (4) Steel caliper mounting plates
  • (2) Steel steering arms
  • Extended brake lines
  • All required hardware, including recessed castle nut socket

GDP Portals Will Revamp Your Ride

GDP didn’t make the first side-by-side portal kit on the market—just the first kit that anybody gave a damn about. If you’re looking for a way to completely redefine your Can-Am Defender, look no further than SuperATV’s GDP 4” Portal Gear Lift. Choose between a 15% or 30% gear reduction, and add a dual idler gear for strength that you can’t find anywhere else. Get ready to discover why GDP is the most respected name in the portal game.

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 Riding Styles

It doesn’t matter where, when, or how you ride—there’s a GDP Portal Gear Lift for you. From the trails to mud bogs to wide-open dunes, our portals make every ride better. Get a 15% gear reduction to enjoy speedy rides and a torque boost. Or go for a 30% gear reduction to really gear down and turn those monster tires. You can even add a dual idler gear for ultimate strength. Our Can-Am Defender dual idler portals are perfect for riders who don’t slow down for anything.

A Gear Reduction That Protects Your Drivetrain

Portals put the gear reduction right in the hub, after your transmission, prop shaft, differential, and axles. That means it reduces stress on your entire drivetrain. You get more power and your most vital components will last longer, too. That’s a win-win.

Nothing Is Stronger Than GDP

We know how you ride—pedal to the metal, full send, the whole nine yards. That’s why we made sure GDP portals are the strongest on the planet. They’re available with cast or billet aluminum housings that are thicker and stronger than any other portal housings on the market. And they have 5/16” thick backing plates made from an advanced steel alloy. All of that comes together to bring you the best damn portal gear lift imaginable.

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 (sold separately)

Portals and monster tires are fun, but they can place additional stress on your machine’s frame. To make your suspension bulletproof, we recommend adding a SuperATV Frame Stiffener when you install your new Can-Am portals!

Max Tire Size Recommendations for 4” Portal Gear Lift
Max Tire SizeRequired Suspension Setup with 4" Portals
26"Stock
27"3" Lift Kit
28" to 34"2" Forward Offset A-Arms
28" to 38"6" Lift Kit
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.
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