ARP M8 x 1.25 x 45mm 12-Point Black Oxide Bolt Kit — Universal Automotive Fasteners

SKU: ARP671-1006
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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.

Durable ARP M8 x 1.25 x 45mm 12-Point Bolt Set

For projects requiring longer fasteners, these ARP M8 x 1.25 x 45mm 12-point black oxide bolts are the perfect solution. Manufactured to the highest standards, these bolts offer exceptional clamping force and durability. The 45mm length makes them versatile for thicker mounting flanges, custom brackets, or deep-seated engine components where standard bolts are simply too short.

Why Choose This ARP Hardware?

  • High-Tensile Strength: Engineered to resist fatigue and stretching in high-performance environments.
  • 12-Point Head: Offers superior torque capacity and better access for tight-clearance installations.
  • Black Oxide Finish: Provides a professional, stealthy appearance and essential corrosion resistance.
  • Reliable Performance: Trusted by racers and builders worldwide for critical engine and chassis applications.

The 12-point head design is a hallmark of professional-grade hardware, allowing you to apply consistent torque without the risk of rounding the bolt head. This set of 5 bolts is essential for any serious mechanic or DIY enthusiast looking to ensure their build is as reliable as it is powerful. Whether you are working on a custom turbo setup, intake manifold, or suspension component, these ARP bolts provide the peace of mind that your hardware will hold up under pressure. Don't settle for inferior fasteners when you can have the best. Find these and other premium automotive parts 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.

Durable ARP M8 x 1.25 x 45mm 12-Point Bolt Set

For projects requiring longer fasteners, these ARP M8 x 1.25 x 45mm 12-point black oxide bolts are the perfect solution. Manufactured to the highest standards, these bolts offer exceptional clamping force and durability. The 45mm length makes them versatile for thicker mounting flanges, custom brackets, or deep-seated engine components where standard bolts are simply too short.

Why Choose This ARP Hardware?

  • High-Tensile Strength: Engineered to resist fatigue and stretching in high-performance environments.
  • 12-Point Head: Offers superior torque capacity and better access for tight-clearance installations.
  • Black Oxide Finish: Provides a professional, stealthy appearance and essential corrosion resistance.
  • Reliable Performance: Trusted by racers and builders worldwide for critical engine and chassis applications.

The 12-point head design is a hallmark of professional-grade hardware, allowing you to apply consistent torque without the risk of rounding the bolt head. This set of 5 bolts is essential for any serious mechanic or DIY enthusiast looking to ensure their build is as reliable as it is powerful. Whether you are working on a custom turbo setup, intake manifold, or suspension component, these ARP bolts provide the peace of mind that your hardware will hold up under pressure. Don't settle for inferior fasteners when you can have the best. Find these and other premium automotive parts 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.

Durable ARP M8 x 1.25 x 45mm 12-Point Bolt Set

For projects requiring longer fasteners, these ARP M8 x 1.25 x 45mm 12-point black oxide bolts are the perfect solution. Manufactured to the highest standards, these bolts offer exceptional clamping force and durability. The 45mm length makes them versatile for thicker mounting flanges, custom brackets, or deep-seated engine components where standard bolts are simply too short.

Why Choose This ARP Hardware?

  • High-Tensile Strength: Engineered to resist fatigue and stretching in high-performance environments.
  • 12-Point Head: Offers superior torque capacity and better access for tight-clearance installations.
  • Black Oxide Finish: Provides a professional, stealthy appearance and essential corrosion resistance.
  • Reliable Performance: Trusted by racers and builders worldwide for critical engine and chassis applications.

The 12-point head design is a hallmark of professional-grade hardware, allowing you to apply consistent torque without the risk of rounding the bolt head. This set of 5 bolts is essential for any serious mechanic or DIY enthusiast looking to ensure their build is as reliable as it is powerful. Whether you are working on a custom turbo setup, intake manifold, or suspension component, these ARP bolts provide the peace of mind that your hardware will hold up under pressure. Don't settle for inferior fasteners when you can have the best. Find these and other premium automotive parts at GGCRACING.

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