What is the stock steering wheel size?
For 1st generations: 3 spoke plastic steering wheel (US/Canada): 380mm 3 spoke plastic steering wheel (GT-X): 370mm 3 spoke Momo leather steering wheel (Japanese option): 365mm 3 spoke Momo leather steering wheel (from GT-R/GT-Ae): 360mm For 3rd generations: 4 spoke plastic steering wheel: 380mm 3 spoke leather/plastic steering wheel: 370mm