Tire Sizes
(Stock size was 205/55R16, but speedometer was out of calibration by 10%. Sizes listed below correct that mis-calibration)
16s - 215/60R16
17s - 215/55R17 OR 235/50R17
18s - 235/45R18 (Winters 225/45R18)
16s - 215/60R16
17s - 215/55R17 OR 235/50R17
18s - 235/45R18 (Winters 225/45R18)
Wheel Studs
Front 43222-28B10
Rear 43222-50J00
Lug Nuts
M12x1.25
Bolt Pattern
5x114.3
Center Bore
66.1mm
Brakes
Centric makes all the OEM braking systems for the C34 Stagea, and I've listed their part numbers below. You can sub out to other manufacturers (PowerStop, Raybestos, etc), just compare their part numbers or applications. (I used RockAuto for all the comparisons)
I will also include Amazon Links for parts I purchased therefore can confirm fit 100%
Also noted for the S1, you will need to swap over ALL Q45 Parts, as they're not 100% compatible to interchange, but will fit when you swap everything over.
It's also been recommended to just upgrade to the parts listed for the S2 Rear, and fit them onto your S1 Rear, as the S2 Rear Rotor is a vented setup, and improves stopping distance with better cooling measures.
S1
Rotors - 1990-1996 Infiniti Q45 (Centric P/N 12142048)
Pads - 1990-1996 Infiniti Q45 (Centric P/N 50005870)
Calipers - 1990-1996 Infiniti Q45 (Centric P/N 14242080 & 14242079)
S2
Rotors - 2004-2017 Nissan Quest (Centric P/N 12042071) (Amazon Link ONLY USE ROTORS)
Pads - 2009-2020 Nissan 370z Base/Non Sport (Centric P/N 50008880) (Amazon Link)
Calipers - 2009-2020 Nissan 370z Base (Centric P/N 14142144 & 14142143)
Rears
**300ZX Rear Caliper & Pad swap have been a popular swap for the C34 Stagea. Double check your calipers before swapping!**
S1
(If chosing NOT to overhaul full rear setup to the S2 setup, which is actually highly recommended)
Rotors - 1990-1996 Infiniti Q45 (Centric P/N 12142049)
Pads - 1990-1994 Infiniti Q45 (Centric P/N 50004810
Calipers - 1990-1996 Infiniti Q45 (Centric P/N 14142537 & 14142538)
(You'll need to trim the dust shield to clear the calipers)
Parking Brake Shoe - 1990-1996 Infiniti Q45 (Centric P/N 11108960)
S2
Rotors - 1997-2001 Infiniti Q45 (Centric P/N 12142058) (Amazon Link)
Pads - 1994-2006 Infiniti Q45 (Centric P/N 50005880)
Calipers - 1997-2001 Infiniti Q45 (Centric P/N 14142550 & 14142549)
Parking Brake Shoe - 1997-2001 Infiniti Q45 (Centric P/N 11108780)
300zx Rear Brake Swap
(Thanks Armando for the confirmation! @armandomarsura)
Rotors - 1989-1996 300ZX TT (Centric P/N 12542047)
Pads - 1989-1996 300ZX TT (Centric P/N 50004610)
Calipers - 1989-1996 300ZX TT (Centric P/N 14142531 & 14142532)
Parking Brake Shoe - 1990-1996 Infiniti Q45 (Centric P/N 11108960)
Brake Master Cylinder
GKTech HFM BM57 RHD Variant (Available from iRace! Click Here!)