Auto Racing Products Chromoly Header Bolt Kit - 3/8" x .750" UHL Hex Head (Set of 12) - Fits Small Block Chevy

SKU: BQDN_100-1101
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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.

Secure Your Headers: ARP Chromoly Header Bolt Kit for Small Block Chevy

Ensure a leak-free and secure exhaust system with the Auto Racing Products (ARP) Chromoly Header Bolt Kit, specifically designed for Small Block Chevy engines. This comprehensive kit includes twelve high-strength header bolts, each featuring a 3/8-16 inch thread and a .750 inch under-head length (UHL). Crafted from premium chromoly steel, these bolts offer exceptional resistance to heat and vibration, critical for maintaining a tight seal on your headers.

Engineered for Small Block Chevy Performance

Each bolt is designed with a traditional hex head, allowing for easy installation and removal with standard tools. The durable black oxide finish not only provides a stealthy, professional look but also offers superior corrosion resistance, protecting against the harsh conditions found in the engine bay. These bolts are engineered to prevent loosening, which can lead to exhaust leaks and a loss of performance, ensuring your headers stay firmly in place.

  • Material: High-strength Chromoly Steel
  • Thread Size: 3/8-16 inch
  • Under-Head Length (UHL): 0.75 inches
  • Head Type: Hex Head
  • Finish: Black Oxide
  • Quantity: Set of 12 bolts
  • Fitment: Small Block Chevy engines

Reliable Fastening for Your Exhaust System

Whether you're upgrading your exhaust system or replacing worn-out header bolts, this ARP kit provides the ultimate solution for Small Block Chevy applications. The superior strength of chromoly ensures that your headers remain sealed, optimizing exhaust flow and preventing annoying leaks. Trust in Auto Racing Products for the highest quality fasteners that stand up to the demands of performance driving, available at GGCRACING.COM.

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.

Secure Your Headers: ARP Chromoly Header Bolt Kit for Small Block Chevy

Ensure a leak-free and secure exhaust system with the Auto Racing Products (ARP) Chromoly Header Bolt Kit, specifically designed for Small Block Chevy engines. This comprehensive kit includes twelve high-strength header bolts, each featuring a 3/8-16 inch thread and a .750 inch under-head length (UHL). Crafted from premium chromoly steel, these bolts offer exceptional resistance to heat and vibration, critical for maintaining a tight seal on your headers.

Engineered for Small Block Chevy Performance

Each bolt is designed with a traditional hex head, allowing for easy installation and removal with standard tools. The durable black oxide finish not only provides a stealthy, professional look but also offers superior corrosion resistance, protecting against the harsh conditions found in the engine bay. These bolts are engineered to prevent loosening, which can lead to exhaust leaks and a loss of performance, ensuring your headers stay firmly in place.

  • Material: High-strength Chromoly Steel
  • Thread Size: 3/8-16 inch
  • Under-Head Length (UHL): 0.75 inches
  • Head Type: Hex Head
  • Finish: Black Oxide
  • Quantity: Set of 12 bolts
  • Fitment: Small Block Chevy engines

Reliable Fastening for Your Exhaust System

Whether you're upgrading your exhaust system or replacing worn-out header bolts, this ARP kit provides the ultimate solution for Small Block Chevy applications. The superior strength of chromoly ensures that your headers remain sealed, optimizing exhaust flow and preventing annoying leaks. Trust in Auto Racing Products for the highest quality fasteners that stand up to the demands of performance driving, available at GGCRACING.COM.

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.

Secure Your Headers: ARP Chromoly Header Bolt Kit for Small Block Chevy

Ensure a leak-free and secure exhaust system with the Auto Racing Products (ARP) Chromoly Header Bolt Kit, specifically designed for Small Block Chevy engines. This comprehensive kit includes twelve high-strength header bolts, each featuring a 3/8-16 inch thread and a .750 inch under-head length (UHL). Crafted from premium chromoly steel, these bolts offer exceptional resistance to heat and vibration, critical for maintaining a tight seal on your headers.

Engineered for Small Block Chevy Performance

Each bolt is designed with a traditional hex head, allowing for easy installation and removal with standard tools. The durable black oxide finish not only provides a stealthy, professional look but also offers superior corrosion resistance, protecting against the harsh conditions found in the engine bay. These bolts are engineered to prevent loosening, which can lead to exhaust leaks and a loss of performance, ensuring your headers stay firmly in place.

  • Material: High-strength Chromoly Steel
  • Thread Size: 3/8-16 inch
  • Under-Head Length (UHL): 0.75 inches
  • Head Type: Hex Head
  • Finish: Black Oxide
  • Quantity: Set of 12 bolts
  • Fitment: Small Block Chevy engines

Reliable Fastening for Your Exhaust System

Whether you're upgrading your exhaust system or replacing worn-out header bolts, this ARP kit provides the ultimate solution for Small Block Chevy applications. The superior strength of chromoly ensures that your headers remain sealed, optimizing exhaust flow and preventing annoying leaks. Trust in Auto Racing Products for the highest quality fasteners that stand up to the demands of performance driving, available at GGCRACING.COM.

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