ARP M12 x 1.25 12pt Small Collar Nut Kit — Performance Engine Hardware

SKU: ARP300-8308
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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.

Optimized Clearance with ARP Small Collar Nuts

The ARP M12 x 1.25 12pt Small Collar Nut Kit is the ideal solution for engine builders facing tight clearance issues. Designed specifically for applications where standard-sized nuts interfere with surrounding components, this small collar design provides the same legendary ARP strength in a more compact profile. These nuts are essential for high-performance builds where precision and space management are critical to success.

Key Features and Benefits

  • Small Collar Profile: Perfect for tight-fitment areas where space is limited.
  • 12-Point Design: Facilitates easier socket engagement and higher torque capacity.
  • Superior Material: Forged from high-strength alloys to resist stretching and fatigue.
  • Reliable Fitment: M12 x 1.25 thread pitch ensures compatibility with standard high-performance studs.

Engineered to meet the rigorous demands of racing, these nuts provide the consistent clamping force required to keep your head gaskets sealed and your engine internals secure. By choosing ARP, you are investing in the most trusted name in automotive fasteners. The 12-point design allows for precise torque readings, ensuring that your engine assembly is performed to exact specifications every single time. Upgrade your hardware today and ensure your engine is built to last. Find all your essential performance hardware components 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.

Optimized Clearance with ARP Small Collar Nuts

The ARP M12 x 1.25 12pt Small Collar Nut Kit is the ideal solution for engine builders facing tight clearance issues. Designed specifically for applications where standard-sized nuts interfere with surrounding components, this small collar design provides the same legendary ARP strength in a more compact profile. These nuts are essential for high-performance builds where precision and space management are critical to success.

Key Features and Benefits

  • Small Collar Profile: Perfect for tight-fitment areas where space is limited.
  • 12-Point Design: Facilitates easier socket engagement and higher torque capacity.
  • Superior Material: Forged from high-strength alloys to resist stretching and fatigue.
  • Reliable Fitment: M12 x 1.25 thread pitch ensures compatibility with standard high-performance studs.

Engineered to meet the rigorous demands of racing, these nuts provide the consistent clamping force required to keep your head gaskets sealed and your engine internals secure. By choosing ARP, you are investing in the most trusted name in automotive fasteners. The 12-point design allows for precise torque readings, ensuring that your engine assembly is performed to exact specifications every single time. Upgrade your hardware today and ensure your engine is built to last. Find all your essential performance hardware components 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.

Optimized Clearance with ARP Small Collar Nuts

The ARP M12 x 1.25 12pt Small Collar Nut Kit is the ideal solution for engine builders facing tight clearance issues. Designed specifically for applications where standard-sized nuts interfere with surrounding components, this small collar design provides the same legendary ARP strength in a more compact profile. These nuts are essential for high-performance builds where precision and space management are critical to success.

Key Features and Benefits

  • Small Collar Profile: Perfect for tight-fitment areas where space is limited.
  • 12-Point Design: Facilitates easier socket engagement and higher torque capacity.
  • Superior Material: Forged from high-strength alloys to resist stretching and fatigue.
  • Reliable Fitment: M12 x 1.25 thread pitch ensures compatibility with standard high-performance studs.

Engineered to meet the rigorous demands of racing, these nuts provide the consistent clamping force required to keep your head gaskets sealed and your engine internals secure. By choosing ARP, you are investing in the most trusted name in automotive fasteners. The 12-point design allows for precise torque readings, ensuring that your engine assembly is performed to exact specifications every single time. Upgrade your hardware today and ensure your engine is built to last. Find all your essential performance hardware components at GGCRACING.

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