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SUPER ATV

Can-Am Defender HD10 8" Portal Gear Lift Dual Idler

$6,349.95
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Gear Down and Go Big
Unleash the true potential of your Defender with an 8" GDP Portal Gear Lift. Designed to deliver unparalleled lift and enhanced torque, the GDP Portal Gear Lift transforms your vehicle into a ground-hugging beast. Choose from a 45% or 60% gear reduction for boosted torque, or go extreme with a 70% gear reduction coupled with dual idler gears. At the bounty hole, nothing can stand in the way of your Defender equipped with the largest portal lift and gear reduction. We, at GDP, are here to help you elevate your off-road experience. Get ready, because once you've installed our GDP Portal Gear Lift, your Defender won't just be a Defender—it will be YOUR Defender.

What is a Dual Idler®?

Discover the excellence of engineering with our unique Dual Idler Gear Portals. Perfected after years of meticulous research and development, these gear portals redefine strength and efficiency in torque transfer. The innovative design, featuring a second idler gear in the portal box, effectively doubles the surface area, delivering enhanced reliability and unmatched power.

But it's not just about quantity – we believe in perfect symbiosis. Achieved through precision CNC grinding, our two idler gears are mated flawlessly for optimal functionality. Crafted from the industry's toughest 9310 steel alloy, our gears stand unchallenged in their durability.

Thought dual idlers didn't matter? Experience the superior performance and resilience offered by GDP's Dual Idler Gear Portals, elevating industry standards, one gear at a time.


45%, 60%, and 70% Gear Reductions Destroy Mud
Unleash the beast within every Defender with our cutting-edge UTV mud system. Designed for the adventurous at heart, this system transforms your side-by-side into the ultimate mud challenger. With an impressive 8” portal box and options for 45%, 60%, or 70% gear reduction, conquer even the toughest terrains with unparalleled ease. Accommodate up to a 44” tire, harnessing the surplus torque to bulldoze through anything in your path—if the mud depth even dares to reach your skid plate. Witness more Defenders owning the mud, every time you embark on a journey, and be part of the phenomenon.

A Gear Reduction That Protects Your Drivetrain
Upgrade your vehicle with our premium Portals. These little wonders strategically place the gear reduction right in the hub - a design decision that enhances the lifespan of your drivetrain components. Plus, it's not just about durability. Our smart GDP technology drastically diminishes stress on your axles, differential, prop shaft, and transmission. Wondering about larger tires? Rest assured, even if you're rolling on the biggest tires out there, our Portals have you covered. Gain longevity in your vehicle's components and reduce undue wear and tear with our ground-breaking Portals.

Learn more about how tire size and gear reduction can unleash your machine’s potential.

Stronger Housings and Backing Plates

Discover the power of precision with our industry-leading portal boxes. Designed with meticulous detail and backed by hundreds of thousands of global ride hours, our portal boxes offer unrivalled strength and durability. Whether it's cast or USA-made billet aluminum for your housings, expect nothing but the highest quality, precision-engineered hardware when you choose us.

With additional support from 5/16” backing plates constructed from advanced steel alloy, our portal boxes promise longevity like no other brand. Experience the difference of elite craftsmanship with our portal boxes - built to outlast and outperform in all conditions.

  • 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

Frame Stiffener Required
These Can-Am Defender 8” portals are big, beefy, and powerful. In fact, they give you such a big lift that your UTV needs a frame stiffener to keep from bending its chassis. We’ve put it through its paces and bent plenty of frames. Trust us and get a frame stiffener.



8” 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
(4) Steel caliper mounting plates
Extended brake lines
Steering stop kit (dual idler configuration only)
All required hardware, including recessed castle nut socket
Frame stiffener (must select at checkout)


Can-Am Defender Portal Gear Suspension Recommendations
Max Tire Size Required Suspension Setup with 8" Portals
40" 2" Forward Offset A-Arms
44" 6" Lift Kit
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.


Patent # 11,299,042

Patent # 11,318,787

WARNING: This product can impact machine operation. Customer and/or user is responsible for ensuring that this product is compatible with their machine as currently configured, properly installed, and understands any impact this product has or might have on the machine's operation.

California Proposition 65 Warning
WARNING: This product may contain a chemical known to the State of California to cause cancer or birth defects or other reproductive harm.
 
FITMENT
 
  • Can-Am Defender HD 5 : 2017-2021
  • Can-Am Defender HD 5 DPS : 2017-2021
  • Can-Am Defender HD 8 : 2016-2021
  • Can-Am Defender HD 8 DPS : 2016-2021
  • Can-Am Defender HD 8 XT : 2016-2021
  • Can-Am Defender HD 8 XT Cab : 2016-2021
  • Can-Am Defender HD 8 XTP : 2018-2021
  • Can-Am Defender HD 9 : 2022+
  • Can-Am Defender HD 9 DPS : 2022+
  • Can-Am Defender HD 9 XT : 2022+
  • Can-Am Defender HD 9 DPS CAB : 2022+
  • Can-Am Defender HD 10 : 2016+
  • Can-Am Defender HD 10 DPS : 2016+
  • Can-Am Defender HD 10 XT : 2016+
  • Can-Am Defender HD 10 XT Cab : 2016+
  • Can-Am Defender HD 10 XTP : 2018+
  • Can-Am Defender HD 10 Mossy Oak : 2018+
  • Can-Am Defender HD 10 XMR : 2018+
  • Can-Am Defender HD 10 Limited : 2020+
  • Can-Am Defender HD 10 PRO : 2020+
  • Can-Am Defender MAX HD 8 : 2017-2021
  • Can-Am Defender MAX HD 8 DPS : 2017-2021
  • Can-Am Defender MAX HD 8 XT : 2017-2021
  • Can-Am Defender MAX HD 8 XT Cab : 2017-2021
  • Can-Am Defender MAX HD 9 : 2022+
  • Can-Am Defender MAX HD 9 DPS : 2022+
  • Can-Am Defender MAX HD 9 XT : 2022+
  • Can-Am Defender MAX HD 10 : 2017-2021
  • Can-Am Defender MAX HD 10 DPS : 2017+
  • Can-Am Defender MAX HD 10 XT : 2017+
  • Can-Am Defender MAX HD 10 XT Cab : 2017+
  • Can-Am Defender MAX HD 10 XMR : 2019+
  • Can-Am Defender MAX HD 10 Lone Star Edition : 2018+
  • Can-Am Defender MAX HD 10 Limited : 2020+
NOTE:
  • Big Lift Kit or 2" Forward Offset A-Arms strongly recommended.
  • Wheels need to have a center hole of at least 3.25" (82.55mm) or require a 1” wheel spacer.
Limited Lifetime Warranty When filling gear box use only 80W-90 gear oil. Using grease will cause failure of gears and bearings. Using grease will void your warranty. SuperATV takes pride keeping your GDP Portal Gear Lift in working order. That’s why we give you, the original purchaser, a lifetime of portal protection contingent on the following conditions. SuperATV warrants this product and its parts (excluding bearings, rotors, seals, & gaskets). Warranty is limited to material and / or workmanship defect at the time of shipment from the factory, and in no event shall seller have any liability for consequential damages of any kind resulting from a breach of this warranty. This warranty will be void on all products that show evidence of misapplication, improper installation, abuse, lack of proper maintenance, negligence, or alteration from original design. This warranty is in lieu of any other warranties, either expressed or implied, INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTIBILTY OR FITNESS FOR ANY PARTICULAR PURPOSE. Procedures for obtaining warranty service: Should you have any problems with your Gear Driven Performance product, please call SuperATV Customer Service at 855-743-3427. Please have a copy of your original purchase receipt available, with dealer name (if applicable), date of purchase, and invoice number when calling for technical help. Most often, installation, or break in procedural issues (See break in procedure information, located in the instructions) can be handled quickly by speaking with one of our customer service representatives. If it is determined that repairs are required to your Gear Driven Performance portal, you MUST acquire an RGA number from our customer service team. RGA's and repair services are ONLY rendered by SuperATV. Any shipping costs incurred after 30 days (starting from the original purchase date) on any Portal returned for repair is the customer's responsibility. ALL Portals must be returned in the original box, with the original packaging, or a similarly well protected box. ALL portals must have the RGA number clearly written on the outside of the package. NO COD packages will be accepted, and no package will be accepted without an RGA number written on the outside of the box. Shipping information, including address and method, will be given to you by our customer service team and/or listed on our website when you create your RGA. Upon arrival of your warranty parts we will have them inspected by our technicians to determine if the damage was a manufacturing defect or rider/installation error. The inspection usually takes place 1-2 days after the package arrives. SuperATV will then call you with the results of the inspection. Depending on the outcome of the inspection, you may be required to pay a replacement fee for the broken parts (prices may vary depending on parts that need to be replaced). We do our best to get your issues corrected as soon as possible so you can get back out on the trails. We also match shipping labels for our customers. If you ship the warranty parts to us with an overnight label, we will return the favor and send you the replacements parts on an overnight shipment at no charge. If you have product that is outside of warranty coverage or it is determined that product shows evidence of misapplication, improper installation, abuse, lack of proper maintenance, negligence, or alteration from original design. Customer will be notified and we will repair for a $250 fee. Replacement bearings, seals and gaskets can be found at www.SuperATV.com. Thank you for your business!