Yeah, I used whiteline. Part number is KCA347
SuperPro, Pedders and UAS make simllar bushes, so you don't have to use whiteline. Try shopping around for the best price.
Again, how much has your car been lowered? My car was 340mm wheel to guard (30mm lower than standard) at the rear and one camber kit got me from -1.5 to -0.5.
More than +/-0.75, but my old bushes were stuffed.
Btw, you replace the inner traction rod bushes on each side as well as th UCA's. So in total the kit comes with 4 bushes.