I converted from air to coils about 3 years ago using Suncore products. They have a lifetime warranty but not for the bushings. I just changed the upper control arm and ball joints and noticed that the coil bushings looks to be sagging. Is there a replacement just for the bushings for an 04 Navigator?

 

I'd still call Suncore and bitch about it. The bushings should last much longer than 3-years.