Enhanced Frame Support You™re thinking about making your rig the biggest machine on the trail”portals and huge tires are the first things you want to add. That can be a lot of extra weight for your stock frame to support. Get more chassis support with SuperATV™s Polaris RZR S 1000 Frame Stiffener. Provides extra support for your frame's weak points Made of 4.5 mm steel plating Perfect for lifts, big tires, and portals Load Up Your RZR with Big Accessories With this frame stiffener in place, you can make your rig as big as you want. Throw on some 8 portals, huge tires, or a monster lift kit”this RZR S 1000 frame stiffener can handle the biggest upgrades you can think of. Unbelievable RZR S 1000 Strength Constructed from robust 4.5 mm heavy-duty steel, this frame stiffener gives your RZR all the support it needs and then some. With a powder coating for extra durability, you can ride for years knowing this frame stiffener will do its job.