Free ShippingChoose a 6-inch GDP portal kit for your Defender HD11
SuperATV’s GDP portals add 6 inches of lift at the wheel hubs and reduce gearing there to deliver more torque to larger tires. Choose Standard or MAX, select your portal configuration, and add the matching frame stiffener if you need one.
Extra clearance at the hubs
Match gearing to your build
Cast and billet configurations
Vehicle fitment
2026 and newer Can-Am Defender HD11, trims listed below
- Standard (single row) — Limited, XMR with half doors, XT, and XT Cab.
- MAX (crew) — Limited, Lone Star, Lone Star Cab, XMR with half doors, XT, and XT Cab.
Portal configurations
- Single idler — 30% or 45% gear reduction with cast or billet aluminum housings.
- Dual idler — 30%, 45%, or 60% gear reduction with billet aluminum housings. Two idler gears share the load.
Wheel and tire requirements
- Use wheels at least 18 inches in diameter. Limit backspacing to 4½ inches on 18-inch wheels and 5 inches on wheels 20 inches or larger.
- Use a wheel center bore of at least 3.25 inches or the manufacturer-specified 1-inch spacer.
- SuperATV recommends tires up to 35 inches on stock suspension. Confirm clearance at full compression and steering lock for your setup.
What’s included
Four assembled portal hubs with 9310 alloy steel gears, universal hubs and slotted rotors, backing plates, caliper mounting plates, extended brake lines, shims, and installation hardware. The matching frame stiffener is available as an add-on.
Installation instructions
SuperATV offers a limited lifetime warranty against manufacturing defects, subject to its warranty terms.
UTV Direct Return Policy
Eligible items may be returned within 30 days of receiving your order. All returns must be submitted through the UTV Returns Center and are subject to inspection before a refund or exchange is processed.
- Items must be returned within 30 days of receiving them.
- Items must be returned in new, undamaged, uninstalled condition and in the original packaging.
- Windshields with the protective covering removed are not returnable.
- Special-order and custom items are non-returnable.
- Return shipping expenses are the responsibility of the customer unless UTV Direct shipped the incorrect item in error.
- Exchanges will not be shipped until the return has been received and inspected.
- The original shipping cost may be deducted from any returned order that received free or shared shipping when the order was placed.
- Returned items that do not meet return requirements may be denied a refund or exchange.
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During checkout, we ask for your year, make, and model. UTV Direct is not required to verify fitment on the products selected. It is ultimately the customer’s responsibility to confirm that the products ordered are correct for their vehicle. Fitment information is listed on each product page. If you are unsure, please contact our sales team before placing your order.
Refund timing may vary. You should generally expect to receive your refund within four weeks of giving your package to the return shipper, although many refunds are completed more quickly. This time period includes return transit time, inspection/processing time, and bank/payment processing time.
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Return authorization emails are typically sent within 2 business days. Please check all email folders, including spam and promotions folders.
California Prop 65 Warning
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