ARP M8 x 1.25 x 25mm Black Oxide Hex Bolts — Universal Automotive Hardware (5 Pack)

SKU: ARP661-1002
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About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...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 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.

Watch in action

High-Strength ARP M8 x 1.25 x 25mm Hex Bolts

For critical assembly points that require an M8 diameter, the ARP M8 x 1.25 x 25mm Black Oxide Hex Bolts offer unmatched performance. These bolts are designed to provide a secure, high-torque hold for various automotive applications, including engine components, transmission mounts, and chassis bracing. ARP’s commitment to quality ensures that these fasteners can handle the stresses of high-performance driving without failing.

Key Features

  • Optimal Strength: Engineered to withstand high torque loads and vibration.
  • Durable Finish: Black oxide coating provides excellent corrosion resistance.
  • Standard Fitment: M8 x 1.25 thread pitch is a common standard for many automotive applications.
  • Professional Finish: Provides a clean, factory-plus look for any engine bay.

Choosing the right hardware is a fundamental step in any successful automotive project. ARP bolts are manufactured to surpass standard OEM specifications, giving you the confidence that your components will remain secure under load. The 25mm length is a versatile size for many mounting tasks, making these a must-have in any mechanic's hardware kit. By choosing these ARP bolts, you are investing in the safety and reliability of your vehicle. Experience the difference that professional-grade fasteners make in your next build. Discover our extensive selection of high-performance automotive hardware and accessories at GGCRACING.

Product Details

Product Description
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.

Watch in action

High-Strength ARP M8 x 1.25 x 25mm Hex Bolts

For critical assembly points that require an M8 diameter, the ARP M8 x 1.25 x 25mm Black Oxide Hex Bolts offer unmatched performance. These bolts are designed to provide a secure, high-torque hold for various automotive applications, including engine components, transmission mounts, and chassis bracing. ARP’s commitment to quality ensures that these fasteners can handle the stresses of high-performance driving without failing.

Key Features

  • Optimal Strength: Engineered to withstand high torque loads and vibration.
  • Durable Finish: Black oxide coating provides excellent corrosion resistance.
  • Standard Fitment: M8 x 1.25 thread pitch is a common standard for many automotive applications.
  • Professional Finish: Provides a clean, factory-plus look for any engine bay.

Choosing the right hardware is a fundamental step in any successful automotive project. ARP bolts are manufactured to surpass standard OEM specifications, giving you the confidence that your components will remain secure under load. The 25mm length is a versatile size for many mounting tasks, making these a must-have in any mechanic's hardware kit. By choosing these ARP bolts, you are investing in the safety and reliability of your vehicle. Experience the difference that professional-grade fasteners make in your next build. Discover our extensive selection of high-performance automotive hardware and accessories at GGCRACING.

Product Details

Product Description

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.

Watch in action

High-Strength ARP M8 x 1.25 x 25mm Hex Bolts

For critical assembly points that require an M8 diameter, the ARP M8 x 1.25 x 25mm Black Oxide Hex Bolts offer unmatched performance. These bolts are designed to provide a secure, high-torque hold for various automotive applications, including engine components, transmission mounts, and chassis bracing. ARP’s commitment to quality ensures that these fasteners can handle the stresses of high-performance driving without failing.

Key Features

  • Optimal Strength: Engineered to withstand high torque loads and vibration.
  • Durable Finish: Black oxide coating provides excellent corrosion resistance.
  • Standard Fitment: M8 x 1.25 thread pitch is a common standard for many automotive applications.
  • Professional Finish: Provides a clean, factory-plus look for any engine bay.

Choosing the right hardware is a fundamental step in any successful automotive project. ARP bolts are manufactured to surpass standard OEM specifications, giving you the confidence that your components will remain secure under load. The 25mm length is a versatile size for many mounting tasks, making these a must-have in any mechanic's hardware kit. By choosing these ARP bolts, you are investing in the safety and reliability of your vehicle. Experience the difference that professional-grade fasteners make in your next build. Discover our extensive selection of high-performance automotive hardware and accessories at GGCRACING.

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