ARP M8 x 1.25 x 30mm 12-Point Black Oxide Bolt Kit — Universal Automotive Fasteners

SKU: ARP671-1002
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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.

Precision-Engineered ARP M8 x 1.25 x 30mm 12-Point Bolts

Ensure your engine components remain secure under extreme conditions with these premium ARP M8 x 1.25 x 30mm 12-point bolts. Designed for enthusiasts who demand the best, these fasteners offer significantly higher tensile strength than standard hardware. The 12-point head design is specifically engineered to provide better clearance in cramped engine bays, allowing for easier tightening with a 12-point socket.

Key Features and Benefits

  • Superior Material Strength: Built to withstand high-stress environments and prevent fastener fatigue.
  • 12-Point Design: Offers increased torque capacity and improved tool access in tight spaces.
  • Corrosion-Resistant Finish: Durable black oxide coating protects against rust and harsh under-hood conditions.
  • Versatile Fitment: Ideal for securing manifolds, accessories, and custom fabrication components.

These bolts are a staple for any serious mechanic or DIY builder. By choosing ARP, you are investing in hardware that has been track-tested and proven in the most demanding motorsport applications. The M8 x 1.25 thread pitch is a common standard, making these an excellent upgrade for various automotive projects. Whether you are performing a full engine rebuild or just cleaning up your engine bay, these bolts provide the reliability you need. Elevate your vehicle's performance and aesthetic with high-quality components from 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.

Precision-Engineered ARP M8 x 1.25 x 30mm 12-Point Bolts

Ensure your engine components remain secure under extreme conditions with these premium ARP M8 x 1.25 x 30mm 12-point bolts. Designed for enthusiasts who demand the best, these fasteners offer significantly higher tensile strength than standard hardware. The 12-point head design is specifically engineered to provide better clearance in cramped engine bays, allowing for easier tightening with a 12-point socket.

Key Features and Benefits

  • Superior Material Strength: Built to withstand high-stress environments and prevent fastener fatigue.
  • 12-Point Design: Offers increased torque capacity and improved tool access in tight spaces.
  • Corrosion-Resistant Finish: Durable black oxide coating protects against rust and harsh under-hood conditions.
  • Versatile Fitment: Ideal for securing manifolds, accessories, and custom fabrication components.

These bolts are a staple for any serious mechanic or DIY builder. By choosing ARP, you are investing in hardware that has been track-tested and proven in the most demanding motorsport applications. The M8 x 1.25 thread pitch is a common standard, making these an excellent upgrade for various automotive projects. Whether you are performing a full engine rebuild or just cleaning up your engine bay, these bolts provide the reliability you need. Elevate your vehicle's performance and aesthetic with high-quality components from 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.

Precision-Engineered ARP M8 x 1.25 x 30mm 12-Point Bolts

Ensure your engine components remain secure under extreme conditions with these premium ARP M8 x 1.25 x 30mm 12-point bolts. Designed for enthusiasts who demand the best, these fasteners offer significantly higher tensile strength than standard hardware. The 12-point head design is specifically engineered to provide better clearance in cramped engine bays, allowing for easier tightening with a 12-point socket.

Key Features and Benefits

  • Superior Material Strength: Built to withstand high-stress environments and prevent fastener fatigue.
  • 12-Point Design: Offers increased torque capacity and improved tool access in tight spaces.
  • Corrosion-Resistant Finish: Durable black oxide coating protects against rust and harsh under-hood conditions.
  • Versatile Fitment: Ideal for securing manifolds, accessories, and custom fabrication components.

These bolts are a staple for any serious mechanic or DIY builder. By choosing ARP, you are investing in hardware that has been track-tested and proven in the most demanding motorsport applications. The M8 x 1.25 thread pitch is a common standard, making these an excellent upgrade for various automotive projects. Whether you are performing a full engine rebuild or just cleaning up your engine bay, these bolts provide the reliability you need. Elevate your vehicle's performance and aesthetic with high-quality components from GGCRACING.

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