Kuhmo Ecsta KU31 are worth considering, (not the 711's though as theyre terrible).
Before my previous car (4.0 XJR) I had a Skyline which made 500bhp on the dynopack. I tried various tyres including Bridgestones, Pirelli, Toyo e.t.c. I found the best all round tyres (dry, wet, wear rate and...