ARP
ARP 1/2in x 5.250in Long Broached Allen Head Stud — Performance Fastener
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ARP 1/2in x 5.250in Long Broached Allen Head Stud — Performance Fastener
ARP

ARP 1/2in x 5.250in Long Broached Allen Head Stud — Performance Fastener

SKU: ARPAR5.250-1LB

About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...Read more

Price:
$6.99
60 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

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Part Numbers
Sizing & Fit

About ARP

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

ARP Broached Allen Head Studs

The ARP 1/2in x 5.250in Broached Allen Head Stud is a versatile solution for custom engine builders requiring high-strength, reliable fastening. Featuring a broached Allen head design, this stud allows for easy installation and removal using a standard hex key, making it an excellent choice for applications where space is limited or where traditional wrenching is difficult.

Technical Details

  • Diameter: 1/2 inch
  • Length: 5.250 inches
  • Head Style: Broached Allen
  • Material: High-strength alloy steel
  • Usage: Custom engine and chassis applications

Built to ARP’s exacting standards, this stud provides consistent clamping force and superior resistance to fatigue. The precision-rolled threads ensure smooth engagement and accurate torque application, which is critical for maintaining engine integrity under load. Whether you are securing a custom intake, a cylinder head, or a chassis component, this ARP stud delivers the durability you expect from a world-class manufacturer. Enhance your build with reliable hardware from GGCRACING.

About ARP

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

ARP Broached Allen Head Studs

The ARP 1/2in x 5.250in Broached Allen Head Stud is a versatile solution for custom engine builders requiring high-strength, reliable fastening. Featuring a broached Allen head design, this stud allows for easy installation and removal using a standard hex key, making it an excellent choice for applications where space is limited or where traditional wrenching is difficult.

Technical Details

  • Diameter: 1/2 inch
  • Length: 5.250 inches
  • Head Style: Broached Allen
  • Material: High-strength alloy steel
  • Usage: Custom engine and chassis applications

Built to ARP’s exacting standards, this stud provides consistent clamping force and superior resistance to fatigue. The precision-rolled threads ensure smooth engagement and accurate torque application, which is critical for maintaining engine integrity under load. Whether you are securing a custom intake, a cylinder head, or a chassis component, this ARP stud delivers the durability you expect from a world-class manufacturer. Enhance your build with reliable hardware from GGCRACING.

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