KPMI
KPMI H.T. Steel Cylinder Studs (PKG. of 8) (20-21040)
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KPMI H.T. Steel Cylinder Studs (PKG. of 8) (20-21040)
KPMI

KPMI H.T. Steel Cylinder Studs (PKG. of 8) (20-21040)

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SKU: 20-21040

These High Performance Cylinder studs are made from 180,000 psi ...Read more

Price:
$170.96 $171.95
1700 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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Product Details

Product Description
Part Numbers
Sizing & Fit
  • These High Performance Cylinder studs are made from 180,000 psi yield strength, fine grain, heat treated, premium grade 8740 material
  • Threads are rolled after heat treating to insure maximum compressive stresses are retained, insuring maximum strength, and the longest fatigue life possible
  • The case end threads are designed to have a slight interference fit to maintain good thread contact at high temperature
  • Studs are center less ground to insure concentricity, and finished with a premium black oxide treatment , excellent appearance
  • Brand: KPMI
  • Part number: 20-21040
  • Category: Engine
  • These High Performance Cylinder studs are made from 180,000 psi yield strength, fine grain, heat treated, premium grade 8740 material
  • Threads are rolled after heat treating to insure maximum compressive stresses are retained, insuring maximum strength, and the longest fatigue life possible
  • The case end threads are designed to have a slight interference fit to maintain good thread contact at high temperature
  • Studs are center less ground to insure concentricity, and finished with a premium black oxide treatment , excellent appearance
  • Brand: KPMI
  • Part number: 20-21040
  • Category: Engine

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