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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:
  • 40P00 - TT Front Right / NA Right (Front and Rear) - 16" x 7.5"
  • 40P05 - TT Front Left / NA Left (Front and Rear) - 16" x 7.5"
  • 40P10 - TT Rear Right (TT ONLY) - 16" x 8.5"
  • 40P15 - TT Rear Left (TT ONLY) - 16" x 8.5"

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

Tyre Pressures:
225/50 R16 tyre: 33psi (2.3Bar)
245/45 R16 tyre: 36psi (2.5Bar)

Wheel Nut Torque Settings: 72-87ftlb (97-117Nm)

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Rim stamps

​Tires for Nissan 300ZX
  •  Width (mm): 225 - 245
  • Tire aspect ratio (%): 45 - 50
  • Diameters: 16.0'' - 16.0''
  • Smallest tire size: 225/50R16
  • Largest tire size: 245/45R16
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Bolt pattern 5x114.3
  • Diameter: 16.0''
  • Width (inches): 7 - 9
  • Offset (mm): 24
  • Thread size: M12 x 1.25
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Wheel Nut Dimensions
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PictureWheel Nut Seat
​PCD is measured in mm. E.g. 5x114.3
means the wheel has 5 bolt holes
​ and the diameter of an imaginary
circle through the bolt holes is 114.3mm.

ISO standard Ex.: M12 x 1.25 
Nominal diameter (mm) x pitch (mm)
​UN-series Ex.: 9/16" - 18 UNF 
Thread size (in) - thread pitch  
UNF - Unified National Fine Thread


Rims for Nissan 300ZX
  • Rim: 16"
  • Width: 7.5J & 8.5J
  •  PCD: 114.3 X 5
  • Offset: ET 24
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​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.

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