Whats this tyre?

[J. J.]

Pirelli P zero Rosso Y rated N5 Porsche

Following a search on Kwik fit's site, I found these. Are these the same as fitted to the VXR (they're the same size)? If so, seems to be a very good price for 4 (£150ish each, £180ish each for 2).
Thanks for your help.

[stigmundfreud]

from memory the n5 porsche had the higher load rate side walls