Our new STEEL shock bodies are in for the RZR XP 1000 and RZR XP4 1000. “Why do I need a steel shock body”, you ask? Well, the factory front shock bodies on a RZR 1000 are steel and have no issues. But, the rear shocks use an aluminum shock body. The problem arises when you try to adjust the ride height in the rear for any reason, ground clearance, extra weight or more passengers. The preload nut on top of the spring is aluminum as well as the shock body and it can, very easily, seize itself to the shock and you are done. This is not unlike a Stainless steel nut and bolt. It is only a matter of time before two “like” metals will weld together. Once you have a seized preload nut, your only choice is to send your shock to Walker for a completely new “aluminum” shock body and “aluminum” nut. Again, only a matter of time before it happens again. Not any more! Our STEEL shock body eliminates the seizing issues completely. They are Zinc plated just like the front shocks and are internally honed for a perfect hydraulic seal to the piston. The steel body has many other advantages too. The expansion rate of aluminum is higher than steel. This means that when the shock gets hot the aluminum body will expand more than the steel body and since the shock relies on the internal piston seal for proper function this means that the aluminum body will experience “shock fade” sooner do to larger piston clearances. In addition, the aluminum body expands under high pressure which means you lose bump stage (maximum shock resistance) when you need it most in the biggest hits. If you are racing, these are a MUST. If you have a seized up preload collar, these will fix your problems permanently. If your shocks are currently fine, these steel bodies will give give you better performance and keep you from having any problems during your most important trips.
Advantages to the STEEL shock body over aluminum:
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