you can benefit from optional "C6 Rack Offset Spacer Kit" that will allow you to achieve even bigger steering angle on C6 chassis (not needed on C5) and improves the Ackermann curve

It has adjustable  snap closure in the rear so one size fits for all

Nissan S Chassis steering rack relocation hardware

optional liquid-cooling provision and 1/8″ NPT reference ports

Heavy Front Cartridge / Pro Long Stroke (with helper spring)

Concaver CVR5 21x9,5 ET14-61 BLANK Brushed Titanium CB: 74,1 Anti-theft Bolts you can benefit from optionalPCD: 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120, 5x127, 5x130 ET: 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61