Auto Racing Products 1/2" Chromoly Broached Stud - 8.500" Long

SKU: BQDN_AR8.500-1LB
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About Auto Racing Products ARP (Automotive Racing Products) makes the ...Read More

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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

Product Details

Product Description
Part Numbers
Sizing & Fit

About Auto Racing Products

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.

Uncompromising Strength: ARP 1/2" Chromoly Broached Stud, 8.500" Length

Achieve unparalleled fastening security with the Auto Racing Products (ARP) 1/2-inch Chromoly Broached Stud, meticulously engineered for the most demanding high-performance and racing applications. This exceptionally long 8.500-inch stud is perfect for securing components that require extended reach or additional thread engagement, providing superior clamping force and resistance to shear. Forged from premium chromoly steel, it delivers extraordinary tensile strength and fatigue resistance, ensuring your critical assemblies remain robust under extreme stress.

Advanced Design for Performance and Ease

The signature broached end of this ARP stud allows for quick and efficient installation and removal using an Allen wrench, a crucial feature for rapid adjustments and maintenance in performance settings. Its universal compatibility is ensured by the inclusion of both 1/2-13 and 1/2-20 thread pitches, making it a versatile solution for a wide range of automotive projects. A durable black oxide finish provides excellent corrosion resistance, protecting the stud from environmental elements while maintaining a sleek, professional aesthetic.

  • Material: Premium Chromoly Steel
  • Overall Length: 8.500 inches
  • Thread Sizes: 1/2-13 and 1/2-20
  • Finish: Black Oxide for Enhanced Protection
  • Installation Method: Broached Hex Drive
  • Fitment: Universal Application

The Pinnacle of Fastener Technology: ARP

For decades, ARP has been the go-to brand for performance enthusiasts and professional racers seeking the ultimate in fastener reliability. Their chromoly studs are rigorously tested and proven to withstand the harshest conditions, providing peace of mind that your engine, chassis, or suspension components are securely fastened. This 8.500-inch stud exemplifies ARP's commitment to quality and performance. For the best in automotive fasteners, choose GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Auto Racing Products

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.

Uncompromising Strength: ARP 1/2" Chromoly Broached Stud, 8.500" Length

Achieve unparalleled fastening security with the Auto Racing Products (ARP) 1/2-inch Chromoly Broached Stud, meticulously engineered for the most demanding high-performance and racing applications. This exceptionally long 8.500-inch stud is perfect for securing components that require extended reach or additional thread engagement, providing superior clamping force and resistance to shear. Forged from premium chromoly steel, it delivers extraordinary tensile strength and fatigue resistance, ensuring your critical assemblies remain robust under extreme stress.

Advanced Design for Performance and Ease

The signature broached end of this ARP stud allows for quick and efficient installation and removal using an Allen wrench, a crucial feature for rapid adjustments and maintenance in performance settings. Its universal compatibility is ensured by the inclusion of both 1/2-13 and 1/2-20 thread pitches, making it a versatile solution for a wide range of automotive projects. A durable black oxide finish provides excellent corrosion resistance, protecting the stud from environmental elements while maintaining a sleek, professional aesthetic.

  • Material: Premium Chromoly Steel
  • Overall Length: 8.500 inches
  • Thread Sizes: 1/2-13 and 1/2-20
  • Finish: Black Oxide for Enhanced Protection
  • Installation Method: Broached Hex Drive
  • Fitment: Universal Application

The Pinnacle of Fastener Technology: ARP

For decades, ARP has been the go-to brand for performance enthusiasts and professional racers seeking the ultimate in fastener reliability. Their chromoly studs are rigorously tested and proven to withstand the harshest conditions, providing peace of mind that your engine, chassis, or suspension components are securely fastened. This 8.500-inch stud exemplifies ARP's commitment to quality and performance. For the best in automotive fasteners, choose GGCRACING.

Product Details

Product Description

About Auto Racing Products

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.

Uncompromising Strength: ARP 1/2" Chromoly Broached Stud, 8.500" Length

Achieve unparalleled fastening security with the Auto Racing Products (ARP) 1/2-inch Chromoly Broached Stud, meticulously engineered for the most demanding high-performance and racing applications. This exceptionally long 8.500-inch stud is perfect for securing components that require extended reach or additional thread engagement, providing superior clamping force and resistance to shear. Forged from premium chromoly steel, it delivers extraordinary tensile strength and fatigue resistance, ensuring your critical assemblies remain robust under extreme stress.

Advanced Design for Performance and Ease

The signature broached end of this ARP stud allows for quick and efficient installation and removal using an Allen wrench, a crucial feature for rapid adjustments and maintenance in performance settings. Its universal compatibility is ensured by the inclusion of both 1/2-13 and 1/2-20 thread pitches, making it a versatile solution for a wide range of automotive projects. A durable black oxide finish provides excellent corrosion resistance, protecting the stud from environmental elements while maintaining a sleek, professional aesthetic.

  • Material: Premium Chromoly Steel
  • Overall Length: 8.500 inches
  • Thread Sizes: 1/2-13 and 1/2-20
  • Finish: Black Oxide for Enhanced Protection
  • Installation Method: Broached Hex Drive
  • Fitment: Universal Application

The Pinnacle of Fastener Technology: ARP

For decades, ARP has been the go-to brand for performance enthusiasts and professional racers seeking the ultimate in fastener reliability. Their chromoly studs are rigorously tested and proven to withstand the harshest conditions, providing peace of mind that your engine, chassis, or suspension components are securely fastened. This 8.500-inch stud exemplifies ARP's commitment to quality and performance. For the best in automotive fasteners, choose GGCRACING.

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