Auto Racing Products ARP2000 5/16-18 x 1.250" 12-Point Bolt

SKU: BQDN_3AG1.250-2S
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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.

Unmatched Strength with ARP2000 5/16-18 x 1.250" 12-Point Bolt

When only the strongest will do, turn to the Auto Racing Products (ARP) ARP2000 5/16-18 x 1.250" 12-Point Bolt. Crafted from ARP's proprietary ARP2000 material, this bolt offers significantly higher tensile strength than standard chromoly, making it ideal for the most demanding and critical fastening applications in racing and high-performance builds. Its universal design ensures versatility across a wide range of projects where uncompromising strength is paramount.

Key Attributes of ARP2000 Fasteners

  • ARP2000 Material: Utilizes ARP's exclusive alloy, providing superior tensile strength and fatigue life compared to conventional high-strength steels.
  • Precision Dimensions: Features a 5/16-18 inch thread and a 1.25 inch length, suitable for various fastening requirements.
  • 12-Point Head: The 5/16 inch 12-point head design allows for precise torque application and offers a clean, professional appearance, while also aiding in installation in confined spaces.
  • Universal Application: Designed for broad use in custom fabrication, engine assembly, drivetrain components, and other areas requiring extreme fastening power.
  • Individual Sale: Available individually, allowing you to purchase the exact quantity needed for your specific project.

The ARP Advantage: Engineering Excellence

ARP2000 bolts are a testament to ARP's commitment to engineering perfection. Each bolt is subjected to rigorous manufacturing processes, including multiple heat treatments and precision grinding, to ensure optimal grain structure and dimensional accuracy. This meticulous approach results in a fastener that can withstand incredible loads without yielding or failing, providing unparalleled reliability for your most vital connections. For critical engine, chassis, or drivetrain components, an ARP2000 bolt is the definitive choice for strength and peace of mind.

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.

Unmatched Strength with ARP2000 5/16-18 x 1.250" 12-Point Bolt

When only the strongest will do, turn to the Auto Racing Products (ARP) ARP2000 5/16-18 x 1.250" 12-Point Bolt. Crafted from ARP's proprietary ARP2000 material, this bolt offers significantly higher tensile strength than standard chromoly, making it ideal for the most demanding and critical fastening applications in racing and high-performance builds. Its universal design ensures versatility across a wide range of projects where uncompromising strength is paramount.

Key Attributes of ARP2000 Fasteners

  • ARP2000 Material: Utilizes ARP's exclusive alloy, providing superior tensile strength and fatigue life compared to conventional high-strength steels.
  • Precision Dimensions: Features a 5/16-18 inch thread and a 1.25 inch length, suitable for various fastening requirements.
  • 12-Point Head: The 5/16 inch 12-point head design allows for precise torque application and offers a clean, professional appearance, while also aiding in installation in confined spaces.
  • Universal Application: Designed for broad use in custom fabrication, engine assembly, drivetrain components, and other areas requiring extreme fastening power.
  • Individual Sale: Available individually, allowing you to purchase the exact quantity needed for your specific project.

The ARP Advantage: Engineering Excellence

ARP2000 bolts are a testament to ARP's commitment to engineering perfection. Each bolt is subjected to rigorous manufacturing processes, including multiple heat treatments and precision grinding, to ensure optimal grain structure and dimensional accuracy. This meticulous approach results in a fastener that can withstand incredible loads without yielding or failing, providing unparalleled reliability for your most vital connections. For critical engine, chassis, or drivetrain components, an ARP2000 bolt is the definitive choice for strength and peace of mind.

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.

Unmatched Strength with ARP2000 5/16-18 x 1.250" 12-Point Bolt

When only the strongest will do, turn to the Auto Racing Products (ARP) ARP2000 5/16-18 x 1.250" 12-Point Bolt. Crafted from ARP's proprietary ARP2000 material, this bolt offers significantly higher tensile strength than standard chromoly, making it ideal for the most demanding and critical fastening applications in racing and high-performance builds. Its universal design ensures versatility across a wide range of projects where uncompromising strength is paramount.

Key Attributes of ARP2000 Fasteners

  • ARP2000 Material: Utilizes ARP's exclusive alloy, providing superior tensile strength and fatigue life compared to conventional high-strength steels.
  • Precision Dimensions: Features a 5/16-18 inch thread and a 1.25 inch length, suitable for various fastening requirements.
  • 12-Point Head: The 5/16 inch 12-point head design allows for precise torque application and offers a clean, professional appearance, while also aiding in installation in confined spaces.
  • Universal Application: Designed for broad use in custom fabrication, engine assembly, drivetrain components, and other areas requiring extreme fastening power.
  • Individual Sale: Available individually, allowing you to purchase the exact quantity needed for your specific project.

The ARP Advantage: Engineering Excellence

ARP2000 bolts are a testament to ARP's commitment to engineering perfection. Each bolt is subjected to rigorous manufacturing processes, including multiple heat treatments and precision grinding, to ensure optimal grain structure and dimensional accuracy. This meticulous approach results in a fastener that can withstand incredible loads without yielding or failing, providing unparalleled reliability for your most vital connections. For critical engine, chassis, or drivetrain components, an ARP2000 bolt is the definitive choice for strength and peace of mind.

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