Any body installed these? http://www.z1motorsports.com/product...oducts_id=1374

what are better those collars or spacers??

well, those definitely look like they'd be much easier to install!

The collars are a better design because it compresses the bushing from both the top and the bottom.

Both are very easy to install.

i got the spacers... it still wheel hops.

the red ones....


that is all i have to say about that