Auto Racing Products 12pt. Chromoly Bolt Kit - 3/8-24 Thread, 1.250" Long, Black Oxide (Set of 5) — Universal Fit

SKU: BQDN_742-1250
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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.

Enhanced Engagement for Demanding Applications

For critical fastening points that require both substantial length and uncompromising strength, the Auto Racing Products 12-point bolt kit is the ultimate choice. This set of five 3/8-24 x 1.250 inch bolts is meticulously crafted from premium chromoly steel, offering superior resilience against the most extreme stresses in high-performance automotive and racing environments. Rely on these fasteners for unyielding security.

Key Features & Advantages:

  • Superior Chromoly Alloy: Engineered from high-grade chromoly steel for exceptional resistance to stretching, fatigue, and shear forces, ensuring long-term reliability.
  • Precision 12-Point Head: Designed for optimal tool engagement, allowing for higher torque values and reducing the risk of rounding, even in tight spaces.
  • Robust Black Oxide Finish: Provides a durable, corrosion-resistant coating that protects against rust and wear, extending the life of your fasteners.
  • Optimal 1.250-Inch Length: Offers ample thread engagement for securing thicker components or bridging gaps in complex assemblies.
  • Convenient Set of Five: Essential for multi-point installations or as reliable spares, ensuring your project stays on track.

Exact Technical Specifications:

  • Thread Size: 3/8-24 inches
  • Length: 1.250 inches
  • Head Style: 12-Point
  • Head Size: 3/8 inches
  • Material: Chromoly Steel
  • Finish: Black Oxide
  • Quantity: Set of 5

Broad Universal Compatibility:

These high-strength bolts are designed for universal fitment, making them an invaluable component for a wide array of automotive and racing applications. Their specific dimensions are perfect for securing crucial drivetrain components, suspension linkages, or custom fabricated parts, providing a steadfast and secure connection across diverse vehicle platforms.

Why Choose Auto Racing Products for Critical Fasteners?

Auto Racing Products (ARP) is a global leader in high-performance fastening solutions, trusted by top-tier racing teams and automotive enthusiasts for their unparalleled quality and engineering. Investing in ARP bolts means choosing components that are rigorously tested and proven to perform under extreme conditions. Secure your build with the confidence that only ARP can deliver. Discover the full range of high-performance fasteners 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.

Enhanced Engagement for Demanding Applications

For critical fastening points that require both substantial length and uncompromising strength, the Auto Racing Products 12-point bolt kit is the ultimate choice. This set of five 3/8-24 x 1.250 inch bolts is meticulously crafted from premium chromoly steel, offering superior resilience against the most extreme stresses in high-performance automotive and racing environments. Rely on these fasteners for unyielding security.

Key Features & Advantages:

  • Superior Chromoly Alloy: Engineered from high-grade chromoly steel for exceptional resistance to stretching, fatigue, and shear forces, ensuring long-term reliability.
  • Precision 12-Point Head: Designed for optimal tool engagement, allowing for higher torque values and reducing the risk of rounding, even in tight spaces.
  • Robust Black Oxide Finish: Provides a durable, corrosion-resistant coating that protects against rust and wear, extending the life of your fasteners.
  • Optimal 1.250-Inch Length: Offers ample thread engagement for securing thicker components or bridging gaps in complex assemblies.
  • Convenient Set of Five: Essential for multi-point installations or as reliable spares, ensuring your project stays on track.

Exact Technical Specifications:

  • Thread Size: 3/8-24 inches
  • Length: 1.250 inches
  • Head Style: 12-Point
  • Head Size: 3/8 inches
  • Material: Chromoly Steel
  • Finish: Black Oxide
  • Quantity: Set of 5

Broad Universal Compatibility:

These high-strength bolts are designed for universal fitment, making them an invaluable component for a wide array of automotive and racing applications. Their specific dimensions are perfect for securing crucial drivetrain components, suspension linkages, or custom fabricated parts, providing a steadfast and secure connection across diverse vehicle platforms.

Why Choose Auto Racing Products for Critical Fasteners?

Auto Racing Products (ARP) is a global leader in high-performance fastening solutions, trusted by top-tier racing teams and automotive enthusiasts for their unparalleled quality and engineering. Investing in ARP bolts means choosing components that are rigorously tested and proven to perform under extreme conditions. Secure your build with the confidence that only ARP can deliver. Discover the full range of high-performance fasteners 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.

Enhanced Engagement for Demanding Applications

For critical fastening points that require both substantial length and uncompromising strength, the Auto Racing Products 12-point bolt kit is the ultimate choice. This set of five 3/8-24 x 1.250 inch bolts is meticulously crafted from premium chromoly steel, offering superior resilience against the most extreme stresses in high-performance automotive and racing environments. Rely on these fasteners for unyielding security.

Key Features & Advantages:

  • Superior Chromoly Alloy: Engineered from high-grade chromoly steel for exceptional resistance to stretching, fatigue, and shear forces, ensuring long-term reliability.
  • Precision 12-Point Head: Designed for optimal tool engagement, allowing for higher torque values and reducing the risk of rounding, even in tight spaces.
  • Robust Black Oxide Finish: Provides a durable, corrosion-resistant coating that protects against rust and wear, extending the life of your fasteners.
  • Optimal 1.250-Inch Length: Offers ample thread engagement for securing thicker components or bridging gaps in complex assemblies.
  • Convenient Set of Five: Essential for multi-point installations or as reliable spares, ensuring your project stays on track.

Exact Technical Specifications:

  • Thread Size: 3/8-24 inches
  • Length: 1.250 inches
  • Head Style: 12-Point
  • Head Size: 3/8 inches
  • Material: Chromoly Steel
  • Finish: Black Oxide
  • Quantity: Set of 5

Broad Universal Compatibility:

These high-strength bolts are designed for universal fitment, making them an invaluable component for a wide array of automotive and racing applications. Their specific dimensions are perfect for securing crucial drivetrain components, suspension linkages, or custom fabricated parts, providing a steadfast and secure connection across diverse vehicle platforms.

Why Choose Auto Racing Products for Critical Fasteners?

Auto Racing Products (ARP) is a global leader in high-performance fastening solutions, trusted by top-tier racing teams and automotive enthusiasts for their unparalleled quality and engineering. Investing in ARP bolts means choosing components that are rigorously tested and proven to perform under extreme conditions. Secure your build with the confidence that only ARP can deliver. Discover the full range of high-performance fasteners at GGCRACING.

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