When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I think they are the same thing, but would not hurt to call BC. They have some good support. I have these on my 370Z, and I do believe the Paper work it came with listed Z33 and Z34.
I called BC Racing this morning, and the 370z coilovers do not fit the 350z. I know that has been said a few times earliers in this thread, but here is another conformation. BC is swapping them out for the correct set.