Auto Racing Products Header Bolt Kit 12pt 3/8 x 1.00 — Fits Small Block Chevy

SKU: BQDN_100-1211
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About Auto Racing Products ARP (Automotive Racing Products) makes the ...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 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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High-Performance Header Bolts for SBC

Ensure your exhaust system stays securely mounted under extreme heat and vibration with the Auto Racing Products Header Bolt Kit. Designed specifically for Small Block Chevy applications, these 3/8-16 thread bolts provide the clamping force required for high-performance engines. Crafted from premium chromoly steel and finished with a corrosion-resistant black oxide coating, these bolts are built to withstand the rigors of the track and the street.

Technical Specifications

  • Thread Size: 3/8-16
  • Under Head Length: 1.00 inch
  • Head Style: 12-Point
  • Material: High-Strength Chromoly
  • Finish: Black Oxide
  • Quantity: Set of 12

The 12-point head design allows for easier access in tight engine bays where standard hex bolts might struggle. Whether you are building a race car or restoring a classic muscle car, these fasteners offer the reliability and professional finish your engine deserves. Avoid exhaust leaks and gasket failure by upgrading to high-quality hardware that won't stretch or back out under thermal cycling. Trust your build to the precision engineering found 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.

Watch in action

High-Performance Header Bolts for SBC

Ensure your exhaust system stays securely mounted under extreme heat and vibration with the Auto Racing Products Header Bolt Kit. Designed specifically for Small Block Chevy applications, these 3/8-16 thread bolts provide the clamping force required for high-performance engines. Crafted from premium chromoly steel and finished with a corrosion-resistant black oxide coating, these bolts are built to withstand the rigors of the track and the street.

Technical Specifications

  • Thread Size: 3/8-16
  • Under Head Length: 1.00 inch
  • Head Style: 12-Point
  • Material: High-Strength Chromoly
  • Finish: Black Oxide
  • Quantity: Set of 12

The 12-point head design allows for easier access in tight engine bays where standard hex bolts might struggle. Whether you are building a race car or restoring a classic muscle car, these fasteners offer the reliability and professional finish your engine deserves. Avoid exhaust leaks and gasket failure by upgrading to high-quality hardware that won't stretch or back out under thermal cycling. Trust your build to the precision engineering found 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.

Watch in action

High-Performance Header Bolts for SBC

Ensure your exhaust system stays securely mounted under extreme heat and vibration with the Auto Racing Products Header Bolt Kit. Designed specifically for Small Block Chevy applications, these 3/8-16 thread bolts provide the clamping force required for high-performance engines. Crafted from premium chromoly steel and finished with a corrosion-resistant black oxide coating, these bolts are built to withstand the rigors of the track and the street.

Technical Specifications

  • Thread Size: 3/8-16
  • Under Head Length: 1.00 inch
  • Head Style: 12-Point
  • Material: High-Strength Chromoly
  • Finish: Black Oxide
  • Quantity: Set of 12

The 12-point head design allows for easier access in tight engine bays where standard hex bolts might struggle. Whether you are building a race car or restoring a classic muscle car, these fasteners offer the reliability and professional finish your engine deserves. Avoid exhaust leaks and gasket failure by upgrading to high-quality hardware that won't stretch or back out under thermal cycling. Trust your build to the precision engineering found at GGCRACING.

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