ARP 3/8-16 x 1.000 12-Point Stainless Steel Bolts — Universal Fabrication Hardware

SKU: ARP613-1000
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About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...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 ARP

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

High-Strength 3/8-16 Stainless Steel Hardware

Upgrade your vehicle's hardware with the precision-engineered ARP 3/8-16 x 1.000 12-point stainless steel bolts. Designed for builders who refuse to compromise on quality, these fasteners provide exceptional durability and a sleek, polished appearance. Unlike standard hardware store bolts, ARP fasteners are forged from premium alloys to ensure they handle the rigors of racing and high-performance street use without failure.

Key Features and Benefits

  • Thread Size: 3/8-16
  • Under Head Length: 1.000 inch
  • Head Style: 12-Point
  • Material: Corrosion-Resistant Stainless Steel
  • Pack Size: 5 Bolts

The 12-point design is specifically chosen for its ability to withstand higher torque loads, making it ideal for critical engine components and chassis mounting points. The stainless steel construction ensures that your hardware remains rust-free and looking great for years, even in high-heat or moisture-prone areas. These bolts are the gold standard for those looking to improve both the functionality and the visual appeal of their engine bay. Whether you are performing a full engine build or just replacing worn-out hardware, these ARP bolts offer the peace of mind that comes with professional-grade engineering. Discover the difference quality hardware makes for your project at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About ARP

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

High-Strength 3/8-16 Stainless Steel Hardware

Upgrade your vehicle's hardware with the precision-engineered ARP 3/8-16 x 1.000 12-point stainless steel bolts. Designed for builders who refuse to compromise on quality, these fasteners provide exceptional durability and a sleek, polished appearance. Unlike standard hardware store bolts, ARP fasteners are forged from premium alloys to ensure they handle the rigors of racing and high-performance street use without failure.

Key Features and Benefits

  • Thread Size: 3/8-16
  • Under Head Length: 1.000 inch
  • Head Style: 12-Point
  • Material: Corrosion-Resistant Stainless Steel
  • Pack Size: 5 Bolts

The 12-point design is specifically chosen for its ability to withstand higher torque loads, making it ideal for critical engine components and chassis mounting points. The stainless steel construction ensures that your hardware remains rust-free and looking great for years, even in high-heat or moisture-prone areas. These bolts are the gold standard for those looking to improve both the functionality and the visual appeal of their engine bay. Whether you are performing a full engine build or just replacing worn-out hardware, these ARP bolts offer the peace of mind that comes with professional-grade engineering. Discover the difference quality hardware makes for your project at GGCRACING.

Product Details

Product Description

About ARP

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

High-Strength 3/8-16 Stainless Steel Hardware

Upgrade your vehicle's hardware with the precision-engineered ARP 3/8-16 x 1.000 12-point stainless steel bolts. Designed for builders who refuse to compromise on quality, these fasteners provide exceptional durability and a sleek, polished appearance. Unlike standard hardware store bolts, ARP fasteners are forged from premium alloys to ensure they handle the rigors of racing and high-performance street use without failure.

Key Features and Benefits

  • Thread Size: 3/8-16
  • Under Head Length: 1.000 inch
  • Head Style: 12-Point
  • Material: Corrosion-Resistant Stainless Steel
  • Pack Size: 5 Bolts

The 12-point design is specifically chosen for its ability to withstand higher torque loads, making it ideal for critical engine components and chassis mounting points. The stainless steel construction ensures that your hardware remains rust-free and looking great for years, even in high-heat or moisture-prone areas. These bolts are the gold standard for those looking to improve both the functionality and the visual appeal of their engine bay. Whether you are performing a full engine build or just replacing worn-out hardware, these ARP bolts offer the peace of mind that comes with professional-grade engineering. Discover the difference quality hardware makes for your project at GGCRACING.

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