ARP M8 x 1.25 x 70mm 12pt Black Oxide Bolt Kit — Universal Automotive Fasteners

SKU: ARP671-1011
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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.

High-Strength ARP 12-Point Fasteners

Upgrade your vehicle's hardware with the precision-engineered ARP M8 x 1.25 x 70mm 12pt black oxide bolts. Designed for enthusiasts who demand the best, these fasteners offer exceptional tensile strength and durability compared to standard hardware store alternatives. The black oxide finish provides a sleek, professional look while offering protection against the harsh environment of a high-performance engine bay.

Technical Specifications

  • Thread Size: M8 x 1.25
  • Under-Head Length: 70mm
  • Head Type: 12-point
  • Material: Premium alloy steel
  • Package Quantity: 5 bolts

These bolts are ideal for a variety of automotive applications, including custom fabrication, engine accessory mounting, and valvetrain components. The 12-point head design is specifically chosen for its ability to handle higher torque loads and its compact profile, making it perfect for tight spaces where socket clearance is limited. When you need to ensure that your components remain secure under high-stress conditions, ARP is the brand professionals turn to first. Experience the difference in quality and peace of mind that comes with using genuine ARP hardware. Explore the full range of racing parts and fasteners available 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.

High-Strength ARP 12-Point Fasteners

Upgrade your vehicle's hardware with the precision-engineered ARP M8 x 1.25 x 70mm 12pt black oxide bolts. Designed for enthusiasts who demand the best, these fasteners offer exceptional tensile strength and durability compared to standard hardware store alternatives. The black oxide finish provides a sleek, professional look while offering protection against the harsh environment of a high-performance engine bay.

Technical Specifications

  • Thread Size: M8 x 1.25
  • Under-Head Length: 70mm
  • Head Type: 12-point
  • Material: Premium alloy steel
  • Package Quantity: 5 bolts

These bolts are ideal for a variety of automotive applications, including custom fabrication, engine accessory mounting, and valvetrain components. The 12-point head design is specifically chosen for its ability to handle higher torque loads and its compact profile, making it perfect for tight spaces where socket clearance is limited. When you need to ensure that your components remain secure under high-stress conditions, ARP is the brand professionals turn to first. Experience the difference in quality and peace of mind that comes with using genuine ARP hardware. Explore the full range of racing parts and fasteners available 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.

High-Strength ARP 12-Point Fasteners

Upgrade your vehicle's hardware with the precision-engineered ARP M8 x 1.25 x 70mm 12pt black oxide bolts. Designed for enthusiasts who demand the best, these fasteners offer exceptional tensile strength and durability compared to standard hardware store alternatives. The black oxide finish provides a sleek, professional look while offering protection against the harsh environment of a high-performance engine bay.

Technical Specifications

  • Thread Size: M8 x 1.25
  • Under-Head Length: 70mm
  • Head Type: 12-point
  • Material: Premium alloy steel
  • Package Quantity: 5 bolts

These bolts are ideal for a variety of automotive applications, including custom fabrication, engine accessory mounting, and valvetrain components. The 12-point head design is specifically chosen for its ability to handle higher torque loads and its compact profile, making it perfect for tight spaces where socket clearance is limited. When you need to ensure that your components remain secure under high-stress conditions, ARP is the brand professionals turn to first. Experience the difference in quality and peace of mind that comes with using genuine ARP hardware. Explore the full range of racing parts and fasteners available at GGCRACING.

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