yes procomp tires/wheels and procomp suspension has the same mother company, but they operate as a separte entity...the mother company is transamerican....I know the director of sales at procomp wheels and tires...I get all my info from the source....I bash the tires to him all the time, but I do like the wheels....and I do agree that all tires have issues, I've just heard and seen more with procomp than any....they cup, they go out of round, they blow out....and yes other tire companies do it, but like I said, I've seen more with procomp.....sorry for bashing your main seller but more people would probably side with me on this one as not caring for procomp tires.....let's just agree to disagree, we both hold different opinions of tires and leave it at that....