Rock Hard 4x4s proprietary locking collars are arguably the safest and most secure way to not only strengthen your fabrication project but also provide limitless mounting methods. With our Locking Cap/Clamp Kit, you can now add various Rock Hard 4x4 cage sections to your Jeep when you don't have the rest of our cage systems.
The concept for Nebraska-based Rock Hard 4x4 Parts was hatched back in the 1980s and evolved from DIY cage installation to a full-service manufacturing facility. Employing state-of-the-art CNC machining centers, outstanding craftsmanship and laser cut precision, Rock Hard takes the bolt-in design of bumpers, skid plates, cages and sliders to the next level. Their patented locking collar distinguishes itself in the aftermarket industry and all of their exterior products make off-roading in Jeeps safer and smoother. Protection is paramount on the trail and Rock Hard's products are easy to install, affordable and exude superior style. Shop Rock Hard 4x4 Parts Now