Upgrade Your Can-Am Defender with Superior Strength and Durability
The High Lifter Rear Frame Stiffener and Sub-Frame Gusset Kit is a precision-engineered upgrade designed to reinforce your Can-Am Defender’s frame where it needs it most. Whether you’re pushing through tough terrain, hauling heavy loads, or running oversized tires and portal lifts, this gusset kit delivers the strength and reliability your machine demands. Built with a robust 3D notch-and-tab design, this kit significantly increases frame stiffness and prevents flexing, bending, or cracking under extreme conditions.
Constructed from 3/16-inch heavy-duty steel, this frame stiffener provides a rock-solid foundation for the serious off-road enthusiast. The design focuses on the A-arm mounting points—one of the most stressed areas of the frame—ensuring that tabs don’t elongate or stretch over time. The addition of multiple gussets throughout the kit enhances rigidity and longevity, giving your Defender the structural integrity required for aggressive riding and demanding work environments. Every component is precision cut, powder coated for corrosion resistance, and includes 10.9-grade hardware for a complete bolt-on installation.
This sub-frame gusset kit is ideal for riders who have added performance modifications such as portal lift kits, suspension upgrades, or large tires. These enhancements can place additional stress on your frame, but with the High Lifter stiffener kit, you can confidently run your setup without compromising strength or reliability. It’s the ultimate solution for riders who want to extend the life of their machine while improving handling and stability.
Key Features:
- Reinforces critical frame weak points for improved durability
- 3D notch-and-tab engineering delivers maximum stiffness and strength
- Prevents A-arm mounting tabs from stretching or failing
- 3/16” (4.5mm) thick heavy-grade steel construction
- Ideal for use with big tires, portal lifts, and suspension upgrades
- Powder-coated finish provides lasting protection from rust and wear
- Includes high-strength 10.9-grade hardware for secure installation
- Completely bolt-on design—no welding required
Note: This kit may not be compatible with aftermarket skid plates. Please verify fitment with your skid plate manufacturer prior to installation.
Warning: This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm.