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.
Our shipping department processes shipments on weekdays between 9am and 4pm Eastern time. We try and ship most products within 24-48 hours of the order being processed. Some items may take a little longer to ship due to seasonality and some of our products are custom made/built upon order. Each product is listed in red on the product page how long it takes to ship out.
If an item is on back order, we will notify you via a phone call or email.
Tracking numbers for processed orders are typically provided within 72 hours of being available. We do not process any orders on Saturday or Sunday.
You may receive multiple tracking code emails depending on the quantity of item(s) ordered.
RETURN POLICY
- Items must be returned within 30 days of receiving them
- Windshields with the protective covering removed are not returnable
- Special ordered & custom items are non-returnable
- All return expenses are the responsibility of the customer unless the incorrect part was shipped in error
- Exchanges will not be shipped until the return has been received
- A restock fee may be applicable depending on the situation/manufacturer
- RE-STOCK FEES below are the MINIMUM manufacturer charges deducted from your refund
- The Original shipping cost will be applied to any returned order that received free shipping when the order was placed
- All items must be returned in new/undamaged/uninstalled condition in original packaging
- All returns must be inspected by our team before a refund/exchange will be processed
- Returned items that do not meet these requirements may be denied a refund/exchange
SuperATV - 30%
-We ask for your year, make and model at the end of you order. We try our best to check all orders for fitment as a courtesy, but it is ultimately the customers responsibility to check fitment on all products they are ordering to make sure it will fit their vehicle. Fitment information (Year, Make and Model) are listed on each product page, if you are not sure you are always more than welcome to give us a call and speak to someone in our sales department.
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
