Auto Racing Products Chromoly 5/16-18 x 2.500 Hex Head Bolt Kit - Black Oxide Finish, Set of 5

SKU: BQDN_651-2500
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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.

Heavy-Duty Reach: Auto Racing Products 5/16-18 x 2.500 Chromoly Bolt Kit

When your project demands significant grip length and unyielding strength, the Auto Racing Products Chromoly 5/16-18 x 2.500 Hex Head Bolt Kit is engineered to exceed expectations. This 5-piece set provides the deep, secure fastening required for heavy-duty applications, ensuring that multiple components or thick materials are held together with absolute integrity. Don't settle for less when robust, extended-reach fastening is critical.

Built for Extreme Loads and Deep Engagement

Each bolt in this kit is precision-forged from premium chromoly steel, a material renowned for its exceptional strength and fatigue resistance under extreme conditions. This robust alloy ensures that these 2.5-inch long bolts can withstand high tensile and shear stresses, making them indispensable for securing structural components, engine mounts, or custom fabrication where deep thread engagement is essential. The durable black oxide finish provides a crucial layer of protection against corrosion and wear, maintaining peak performance and appearance in harsh environments.

Reliable Universal Fastening for Demanding Projects

Featuring a substantial 5/16-18 thread and a 3/8-inch hex head, these bolts offer superior torque capacity and a more secure connection than standard hardware. The 6-point hex head design facilitates confident tightening and removal, minimizing the risk of damage. With universal fitment, this kit is ideally suited for a wide range of heavy-duty automotive, racing, and industrial applications where robust, extended-length fastening is paramount for safety and performance.

  • Thread Size: 5/16-18 inches
  • Bolt Length: 2.500 inches
  • Head Type: 6-Point Hex Head (3/8 inch)
  • Material: High-Strength Chromoly Steel
  • Finish: Corrosion-Resistant Black Oxide
  • Quantity: Set of 5 Bolts
  • Fitment: Universal Application

The ARP Advantage for Heavy-Duty Extended Fastening

Choosing Auto Racing Products means selecting fasteners that are trusted by top professionals for their unwavering quality and performance. The 651-2500 bolt kit embodies ARP's dedication to engineering excellence, offering enhanced clamping force and unparalleled reliability for your most demanding, extended-length fastening needs. Invest in the superior strength and durability that only ARP chromoly bolts can provide for your next high-stakes build, available 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.

Heavy-Duty Reach: Auto Racing Products 5/16-18 x 2.500 Chromoly Bolt Kit

When your project demands significant grip length and unyielding strength, the Auto Racing Products Chromoly 5/16-18 x 2.500 Hex Head Bolt Kit is engineered to exceed expectations. This 5-piece set provides the deep, secure fastening required for heavy-duty applications, ensuring that multiple components or thick materials are held together with absolute integrity. Don't settle for less when robust, extended-reach fastening is critical.

Built for Extreme Loads and Deep Engagement

Each bolt in this kit is precision-forged from premium chromoly steel, a material renowned for its exceptional strength and fatigue resistance under extreme conditions. This robust alloy ensures that these 2.5-inch long bolts can withstand high tensile and shear stresses, making them indispensable for securing structural components, engine mounts, or custom fabrication where deep thread engagement is essential. The durable black oxide finish provides a crucial layer of protection against corrosion and wear, maintaining peak performance and appearance in harsh environments.

Reliable Universal Fastening for Demanding Projects

Featuring a substantial 5/16-18 thread and a 3/8-inch hex head, these bolts offer superior torque capacity and a more secure connection than standard hardware. The 6-point hex head design facilitates confident tightening and removal, minimizing the risk of damage. With universal fitment, this kit is ideally suited for a wide range of heavy-duty automotive, racing, and industrial applications where robust, extended-length fastening is paramount for safety and performance.

  • Thread Size: 5/16-18 inches
  • Bolt Length: 2.500 inches
  • Head Type: 6-Point Hex Head (3/8 inch)
  • Material: High-Strength Chromoly Steel
  • Finish: Corrosion-Resistant Black Oxide
  • Quantity: Set of 5 Bolts
  • Fitment: Universal Application

The ARP Advantage for Heavy-Duty Extended Fastening

Choosing Auto Racing Products means selecting fasteners that are trusted by top professionals for their unwavering quality and performance. The 651-2500 bolt kit embodies ARP's dedication to engineering excellence, offering enhanced clamping force and unparalleled reliability for your most demanding, extended-length fastening needs. Invest in the superior strength and durability that only ARP chromoly bolts can provide for your next high-stakes build, available 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.

Heavy-Duty Reach: Auto Racing Products 5/16-18 x 2.500 Chromoly Bolt Kit

When your project demands significant grip length and unyielding strength, the Auto Racing Products Chromoly 5/16-18 x 2.500 Hex Head Bolt Kit is engineered to exceed expectations. This 5-piece set provides the deep, secure fastening required for heavy-duty applications, ensuring that multiple components or thick materials are held together with absolute integrity. Don't settle for less when robust, extended-reach fastening is critical.

Built for Extreme Loads and Deep Engagement

Each bolt in this kit is precision-forged from premium chromoly steel, a material renowned for its exceptional strength and fatigue resistance under extreme conditions. This robust alloy ensures that these 2.5-inch long bolts can withstand high tensile and shear stresses, making them indispensable for securing structural components, engine mounts, or custom fabrication where deep thread engagement is essential. The durable black oxide finish provides a crucial layer of protection against corrosion and wear, maintaining peak performance and appearance in harsh environments.

Reliable Universal Fastening for Demanding Projects

Featuring a substantial 5/16-18 thread and a 3/8-inch hex head, these bolts offer superior torque capacity and a more secure connection than standard hardware. The 6-point hex head design facilitates confident tightening and removal, minimizing the risk of damage. With universal fitment, this kit is ideally suited for a wide range of heavy-duty automotive, racing, and industrial applications where robust, extended-length fastening is paramount for safety and performance.

  • Thread Size: 5/16-18 inches
  • Bolt Length: 2.500 inches
  • Head Type: 6-Point Hex Head (3/8 inch)
  • Material: High-Strength Chromoly Steel
  • Finish: Corrosion-Resistant Black Oxide
  • Quantity: Set of 5 Bolts
  • Fitment: Universal Application

The ARP Advantage for Heavy-Duty Extended Fastening

Choosing Auto Racing Products means selecting fasteners that are trusted by top professionals for their unwavering quality and performance. The 651-2500 bolt kit embodies ARP's dedication to engineering excellence, offering enhanced clamping force and unparalleled reliability for your most demanding, extended-length fastening needs. Invest in the superior strength and durability that only ARP chromoly bolts can provide for your next high-stakes build, available at GGCRACING.

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