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Wednesday 23 May 2018 at 09:55
I put some PerfectPlay™ silicone rings on my slings and they didn't last much over a month. My right sling kept scoring points. So when I checked it out the ring was almost split into. I put the stock ones back on. They really took a beating at the post and where flatten as well on the left sling....
Source: http://pinside.com/pinball/forum/topic/aerosmith-owner-then-walk-this-way/page/30#post-4413467