Auto Racing Products 12-Point Chromoly Bolt Kit 10mm x 1.25 x 45mm — Universal Racing Fasteners

SKU: BQDN_673-1006
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About Auto Racing Products ARP (Automotive Racing Products) makes the ...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 Auto Racing Products

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.

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Durable 12-Point Chromoly Hardware

When your build demands a longer bolt with a fine thread pitch, this Auto Racing Products kit delivers the strength and reliability you need. Engineered for high-performance racing, these 10mm x 1.25 x 45mm bolts provide the necessary reach and clamping force to secure critical engine components. Constructed from heat-treated chromoly, these fasteners are built to endure extreme pressure without yielding.

Kit Highlights

  • Thread Pitch: 10mm x 1.25
  • Bolt Length: 45mm
  • Head Style: 12-Point
  • Material: Chromoly Steel
  • Finish: Black Oxide
  • Quantity: 5-Piece Set

The 12-point head design is a hallmark of professional racing, offering superior torque capability and clearance compared to traditional hex bolts. The black oxide finish provides a professional appearance and essential protection against corrosion, ensuring your hardware looks as good as it performs. Whether you are working on a custom intake manifold, mounting brackets, or other engine accessories, these bolts offer a secure, vibration-proof solution. Investing in high-quality fasteners is the simplest way to prevent hardware-related failures on the track. Experience the difference that precision-engineered components make in your vehicle's overall reliability. Find the best selection of racing fasteners right here at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Auto Racing Products

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

Durable 12-Point Chromoly Hardware

When your build demands a longer bolt with a fine thread pitch, this Auto Racing Products kit delivers the strength and reliability you need. Engineered for high-performance racing, these 10mm x 1.25 x 45mm bolts provide the necessary reach and clamping force to secure critical engine components. Constructed from heat-treated chromoly, these fasteners are built to endure extreme pressure without yielding.

Kit Highlights

  • Thread Pitch: 10mm x 1.25
  • Bolt Length: 45mm
  • Head Style: 12-Point
  • Material: Chromoly Steel
  • Finish: Black Oxide
  • Quantity: 5-Piece Set

The 12-point head design is a hallmark of professional racing, offering superior torque capability and clearance compared to traditional hex bolts. The black oxide finish provides a professional appearance and essential protection against corrosion, ensuring your hardware looks as good as it performs. Whether you are working on a custom intake manifold, mounting brackets, or other engine accessories, these bolts offer a secure, vibration-proof solution. Investing in high-quality fasteners is the simplest way to prevent hardware-related failures on the track. Experience the difference that precision-engineered components make in your vehicle's overall reliability. Find the best selection of racing fasteners right here at GGCRACING.

Product Details

Product Description

About Auto Racing Products

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

Durable 12-Point Chromoly Hardware

When your build demands a longer bolt with a fine thread pitch, this Auto Racing Products kit delivers the strength and reliability you need. Engineered for high-performance racing, these 10mm x 1.25 x 45mm bolts provide the necessary reach and clamping force to secure critical engine components. Constructed from heat-treated chromoly, these fasteners are built to endure extreme pressure without yielding.

Kit Highlights

  • Thread Pitch: 10mm x 1.25
  • Bolt Length: 45mm
  • Head Style: 12-Point
  • Material: Chromoly Steel
  • Finish: Black Oxide
  • Quantity: 5-Piece Set

The 12-point head design is a hallmark of professional racing, offering superior torque capability and clearance compared to traditional hex bolts. The black oxide finish provides a professional appearance and essential protection against corrosion, ensuring your hardware looks as good as it performs. Whether you are working on a custom intake manifold, mounting brackets, or other engine accessories, these bolts offer a secure, vibration-proof solution. Investing in high-quality fasteners is the simplest way to prevent hardware-related failures on the track. Experience the difference that precision-engineered components make in your vehicle's overall reliability. Find the best selection of racing fasteners right here at GGCRACING.

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