I have these for sale for $145 shipped to your door.
I have been helping bill sell them for years and have installed
them on 4 zr-1s they make a noticeable difference in the way
the car performs. helps stiffen the beam mounts, helps the bolts stay
tight, and makes the car track straighter getting on it
email me at
ron_kreigh@hotmail.com
if you would like a set