some sources say the bushing is higher durometer than stock on the FRPP uppers but it's rubber still so I wouldn't put much stock in it being too helpful. The UCA's need to be set on flexible bushings or you'll bind up hella bad anyway.
I always cinch mine down to 70lbs all the way around but, I'm all the time under my car tinkering so it's nicer to not have to move the world to pull a bolt...just personal preferance.
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