ARP M12 x 1.25 12pt Nut Kit — High-Strength Racing Fasteners

SKU: ARP300-8327
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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

Uncompromising Strength with ARP Hardware

The ARP M12 x 1.25 12pt Nut Kit is a must-have for any serious engine build. Designed to provide superior clamping force, these nuts ensure that your engine components remain secure under high-pressure and high-RPM conditions. ARP is globally recognized for producing the highest quality fasteners in the automotive industry, and this kit is no exception, offering unmatched durability and reliability for your performance vehicle.

Why Choose ARP?

  • Superior Clamping Force: Keeps critical engine components sealed and secure.
  • 12-Point Design: Allows for easier access and more precise torque settings.
  • High-Tensile Material: Built to withstand extreme heat and stress cycles.
  • Perfect Fitment: M12 x 1.25 threading ensures compatibility with a wide range of studs.

Using high-quality hardware is the foundation of a successful engine build. Whether you are replacing worn-out factory hardware or assembling a brand-new performance engine, ARP provides the peace of mind that comes with professional-grade components. The 12-point design allows for better tool engagement, making assembly and maintenance easier and more efficient. Don't let inferior hardware compromise your engine's performance or longevity. Choose the strength and precision of ARP to ensure your vehicle is ready for the track or the street. Discover the full range of high-performance engine components and hardware solutions 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.

Watch in action

Uncompromising Strength with ARP Hardware

The ARP M12 x 1.25 12pt Nut Kit is a must-have for any serious engine build. Designed to provide superior clamping force, these nuts ensure that your engine components remain secure under high-pressure and high-RPM conditions. ARP is globally recognized for producing the highest quality fasteners in the automotive industry, and this kit is no exception, offering unmatched durability and reliability for your performance vehicle.

Why Choose ARP?

  • Superior Clamping Force: Keeps critical engine components sealed and secure.
  • 12-Point Design: Allows for easier access and more precise torque settings.
  • High-Tensile Material: Built to withstand extreme heat and stress cycles.
  • Perfect Fitment: M12 x 1.25 threading ensures compatibility with a wide range of studs.

Using high-quality hardware is the foundation of a successful engine build. Whether you are replacing worn-out factory hardware or assembling a brand-new performance engine, ARP provides the peace of mind that comes with professional-grade components. The 12-point design allows for better tool engagement, making assembly and maintenance easier and more efficient. Don't let inferior hardware compromise your engine's performance or longevity. Choose the strength and precision of ARP to ensure your vehicle is ready for the track or the street. Discover the full range of high-performance engine components and hardware solutions 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.

Watch in action

Uncompromising Strength with ARP Hardware

The ARP M12 x 1.25 12pt Nut Kit is a must-have for any serious engine build. Designed to provide superior clamping force, these nuts ensure that your engine components remain secure under high-pressure and high-RPM conditions. ARP is globally recognized for producing the highest quality fasteners in the automotive industry, and this kit is no exception, offering unmatched durability and reliability for your performance vehicle.

Why Choose ARP?

  • Superior Clamping Force: Keeps critical engine components sealed and secure.
  • 12-Point Design: Allows for easier access and more precise torque settings.
  • High-Tensile Material: Built to withstand extreme heat and stress cycles.
  • Perfect Fitment: M12 x 1.25 threading ensures compatibility with a wide range of studs.

Using high-quality hardware is the foundation of a successful engine build. Whether you are replacing worn-out factory hardware or assembling a brand-new performance engine, ARP provides the peace of mind that comes with professional-grade components. The 12-point design allows for better tool engagement, making assembly and maintenance easier and more efficient. Don't let inferior hardware compromise your engine's performance or longevity. Choose the strength and precision of ARP to ensure your vehicle is ready for the track or the street. Discover the full range of high-performance engine components and hardware solutions available at GGCRACING.

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