| that way you can make sure the impact is being applied the the whole piece and not just one point of the bushing. I think the socket is a little slippery since its metal to metal and could of slightly moved before the impact. I purchased one long time ago but then decided not to install after feed back I got. The original bushing does just fine. more moving parts... more of a chance for it to fail. Do you have any pics of old ones you replaced? BTW... love your Z. Very clean
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