ARP M8 x 1.25 x 20mm 12pt Stainless Steel Bolt Kit — Universal Automotive Hardware

SKU: ARP771-1001
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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.

Premium ARP 12pt Stainless Steel Bolts

When building a high-performance engine or custom fabrication project, hardware integrity is non-negotiable. These ARP M8 x 1.25 x 20mm 12pt stainless steel bolts provide superior clamping force and exceptional resistance to corrosion compared to standard factory fasteners. Engineered for enthusiasts who demand reliability, these bolts feature a compact 12-point head design, allowing for easier access in tight engine bay spaces where traditional hex heads might struggle.

Technical Specifications

  • Thread Pitch: M8 x 1.25
  • Length: 20mm
  • Head Style: 12-Point
  • Material: Polished Stainless Steel
  • Quantity: 5 Bolts per package
  • Superior tensile strength for critical assemblies

Whether you are securing intake manifolds, valve covers, or custom brackets, these ARP bolts offer a clean, professional aesthetic that stands up to the harshest under-hood environments. The 12-point head design not only looks great but also prevents rounding during high-torque installation. By choosing industry-standard ARP hardware, you ensure that your components remain secure under vibration and thermal cycling. Trust GGCRACING for all your high-performance hardware needs.

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.

Premium ARP 12pt Stainless Steel Bolts

When building a high-performance engine or custom fabrication project, hardware integrity is non-negotiable. These ARP M8 x 1.25 x 20mm 12pt stainless steel bolts provide superior clamping force and exceptional resistance to corrosion compared to standard factory fasteners. Engineered for enthusiasts who demand reliability, these bolts feature a compact 12-point head design, allowing for easier access in tight engine bay spaces where traditional hex heads might struggle.

Technical Specifications

  • Thread Pitch: M8 x 1.25
  • Length: 20mm
  • Head Style: 12-Point
  • Material: Polished Stainless Steel
  • Quantity: 5 Bolts per package
  • Superior tensile strength for critical assemblies

Whether you are securing intake manifolds, valve covers, or custom brackets, these ARP bolts offer a clean, professional aesthetic that stands up to the harshest under-hood environments. The 12-point head design not only looks great but also prevents rounding during high-torque installation. By choosing industry-standard ARP hardware, you ensure that your components remain secure under vibration and thermal cycling. Trust GGCRACING for all your high-performance hardware needs.

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.

Premium ARP 12pt Stainless Steel Bolts

When building a high-performance engine or custom fabrication project, hardware integrity is non-negotiable. These ARP M8 x 1.25 x 20mm 12pt stainless steel bolts provide superior clamping force and exceptional resistance to corrosion compared to standard factory fasteners. Engineered for enthusiasts who demand reliability, these bolts feature a compact 12-point head design, allowing for easier access in tight engine bay spaces where traditional hex heads might struggle.

Technical Specifications

  • Thread Pitch: M8 x 1.25
  • Length: 20mm
  • Head Style: 12-Point
  • Material: Polished Stainless Steel
  • Quantity: 5 Bolts per package
  • Superior tensile strength for critical assemblies

Whether you are securing intake manifolds, valve covers, or custom brackets, these ARP bolts offer a clean, professional aesthetic that stands up to the harshest under-hood environments. The 12-point head design not only looks great but also prevents rounding during high-torque installation. By choosing industry-standard ARP hardware, you ensure that your components remain secure under vibration and thermal cycling. Trust GGCRACING for all your high-performance hardware needs.

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