Quote:
Originally Posted by dappercivility
I have tested the car up to ard 70mph and no vibration from the steering wheel. Question, is it safe for me to push the car up to 155mph with no safety issues? Given if the spacers are well made with good quality extended length bolts?
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I use H&R spacer on my 997.1 C4S and took it up to 135mph at the open track day.
No vibration and no shakes.