Auto Racing Products 12-Point Stainless Steel Bolt Kit 5/16-18 x 2.500 — Universal Fitment

SKU: BQDN_612-2500
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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.

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Premium 12-Point Stainless Steel Fasteners

The Auto Racing Products 5/16-18 x 2.500 stainless steel bolt kit is designed for enthusiasts who refuse to compromise on quality. These 12-point bolts offer superior strength and a polished finish that elevates the look of any engine bay. Whether you are working on a custom race car or a high-performance street build, these fasteners provide the reliability and professional appearance you need.

Technical Specifications

  • Thread Size: 5/16-18
  • Under-Head Length: 2.500 inches
  • Head Style: 12-Point
  • Wrench Size: 3/8 inch
  • Material: Polished Stainless Steel
  • Quantity: Set of 5 bolts

Engineered for universal compatibility, these bolts feature a 2.500-inch length, making them ideal for deeper mounting points or securing thicker components. The 12-point head design is not only visually striking but also highly functional, providing better socket grip and reducing the risk of slippage or rounding during installation. Because they are made from high-grade stainless steel, these bolts are highly resistant to the elements, ensuring they will look and perform like new for years.

At GGCRACING, we are dedicated to providing the best automotive hardware to help you achieve your performance goals. Our selection of high-quality fasteners is designed to keep your vehicle secure, reliable, and looking its best on and off the track.

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

Premium 12-Point Stainless Steel Fasteners

The Auto Racing Products 5/16-18 x 2.500 stainless steel bolt kit is designed for enthusiasts who refuse to compromise on quality. These 12-point bolts offer superior strength and a polished finish that elevates the look of any engine bay. Whether you are working on a custom race car or a high-performance street build, these fasteners provide the reliability and professional appearance you need.

Technical Specifications

  • Thread Size: 5/16-18
  • Under-Head Length: 2.500 inches
  • Head Style: 12-Point
  • Wrench Size: 3/8 inch
  • Material: Polished Stainless Steel
  • Quantity: Set of 5 bolts

Engineered for universal compatibility, these bolts feature a 2.500-inch length, making them ideal for deeper mounting points or securing thicker components. The 12-point head design is not only visually striking but also highly functional, providing better socket grip and reducing the risk of slippage or rounding during installation. Because they are made from high-grade stainless steel, these bolts are highly resistant to the elements, ensuring they will look and perform like new for years.

At GGCRACING, we are dedicated to providing the best automotive hardware to help you achieve your performance goals. Our selection of high-quality fasteners is designed to keep your vehicle secure, reliable, and looking its best on and off the track.

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

Premium 12-Point Stainless Steel Fasteners

The Auto Racing Products 5/16-18 x 2.500 stainless steel bolt kit is designed for enthusiasts who refuse to compromise on quality. These 12-point bolts offer superior strength and a polished finish that elevates the look of any engine bay. Whether you are working on a custom race car or a high-performance street build, these fasteners provide the reliability and professional appearance you need.

Technical Specifications

  • Thread Size: 5/16-18
  • Under-Head Length: 2.500 inches
  • Head Style: 12-Point
  • Wrench Size: 3/8 inch
  • Material: Polished Stainless Steel
  • Quantity: Set of 5 bolts

Engineered for universal compatibility, these bolts feature a 2.500-inch length, making them ideal for deeper mounting points or securing thicker components. The 12-point head design is not only visually striking but also highly functional, providing better socket grip and reducing the risk of slippage or rounding during installation. Because they are made from high-grade stainless steel, these bolts are highly resistant to the elements, ensuring they will look and perform like new for years.

At GGCRACING, we are dedicated to providing the best automotive hardware to help you achieve your performance goals. Our selection of high-quality fasteners is designed to keep your vehicle secure, reliable, and looking its best on and off the track.

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