Only used for a couple months. They are all metal with heim joints. No plastic or rubber bushings. These are sold out at
http://www.awrracing.com/miata/index.html
These were the best ones that i could find when I was looking. They are in like new condition. I paid over $70 for them with shipping. Will let them go locally for $50. If you have any questions please feel free to ask. I can send a pic if you wish as well. Thanks.