Auto Racing Products Header Stud Kit 3/8in Chromoly 6pt — Fits KB Hemi Engine

SKU: BQDN_245-1311
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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.

High-Performance Header Studs for KB Hemi Engines

Ensure your exhaust manifold stays securely fastened under extreme racing conditions with the Auto Racing Products Header Stud Kit. Designed specifically for the KB Hemi platform, these studs provide significantly more consistent clamping force than standard bolts, preventing gasket leaks and loosening due to thermal expansion.

Technical Specifications

  • Material: Premium 8740 Chromoly Steel
  • Finish: Corrosion-resistant Black Oxide
  • Diameter: 3/8 inch
  • Length: 1.67 / 2 inch
  • Nut Style: 6-point Hex
  • Quantity: Set of 16

These studs are engineered to withstand the intense vibration and heat cycles associated with high-output drag racing and performance applications. By utilizing studs instead of bolts, you protect your cylinder head threads from wear during frequent header removal and installation. Whether you are building a fresh engine or performing routine maintenance, these fasteners offer the reliability required for professional-grade racing. Trust the precision of ARP engineering to keep your exhaust system sealed tight lap after lap. Experience the difference in quality and durability 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.

High-Performance Header Studs for KB Hemi Engines

Ensure your exhaust manifold stays securely fastened under extreme racing conditions with the Auto Racing Products Header Stud Kit. Designed specifically for the KB Hemi platform, these studs provide significantly more consistent clamping force than standard bolts, preventing gasket leaks and loosening due to thermal expansion.

Technical Specifications

  • Material: Premium 8740 Chromoly Steel
  • Finish: Corrosion-resistant Black Oxide
  • Diameter: 3/8 inch
  • Length: 1.67 / 2 inch
  • Nut Style: 6-point Hex
  • Quantity: Set of 16

These studs are engineered to withstand the intense vibration and heat cycles associated with high-output drag racing and performance applications. By utilizing studs instead of bolts, you protect your cylinder head threads from wear during frequent header removal and installation. Whether you are building a fresh engine or performing routine maintenance, these fasteners offer the reliability required for professional-grade racing. Trust the precision of ARP engineering to keep your exhaust system sealed tight lap after lap. Experience the difference in quality and durability 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.

High-Performance Header Studs for KB Hemi Engines

Ensure your exhaust manifold stays securely fastened under extreme racing conditions with the Auto Racing Products Header Stud Kit. Designed specifically for the KB Hemi platform, these studs provide significantly more consistent clamping force than standard bolts, preventing gasket leaks and loosening due to thermal expansion.

Technical Specifications

  • Material: Premium 8740 Chromoly Steel
  • Finish: Corrosion-resistant Black Oxide
  • Diameter: 3/8 inch
  • Length: 1.67 / 2 inch
  • Nut Style: 6-point Hex
  • Quantity: Set of 16

These studs are engineered to withstand the intense vibration and heat cycles associated with high-output drag racing and performance applications. By utilizing studs instead of bolts, you protect your cylinder head threads from wear during frequent header removal and installation. Whether you are building a fresh engine or performing routine maintenance, these fasteners offer the reliability required for professional-grade racing. Trust the precision of ARP engineering to keep your exhaust system sealed tight lap after lap. Experience the difference in quality and durability available at GGCRACING.

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