The Wheel Bible
Each rim is stamped inside the spokes on the face of the wheel.
This label determines the position.
Position / Labels are as follows:
JDM spec have the same wheel all round which take the 225/50 R16 tyre.
They are 7.5" rims with a 45mm offset. L 40P05 and 40P00 R
UK spec have the above front tyres and wider wheels at the rear which take 245/45 R16.
They are 8.5" rims with a 35mm offset. L 40P15 and 40P10 R
225/50 R16 tyre: 33psi (2.3Bar)
245/45 R16 tyre: 36psi (2.5Bar)
Wheel Nut Torque Settings: 72-87ftlb (97-117Nm)
Rims for Nissan 300ZX
Ex.:7J x15 ET24
Rim width (in) x rim diameter (in)
J is mounting ﬂange type.
ET24 is positive offset of 24mm.
It is vital not to deviate too far from the offset of the wheel originally ﬁtted to the vehicle.