Auto Racing Products Inner Valley Head Stud Kit — Mopar 426 Hemi

SKU: BQDN_245-4312
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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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Precision Inner Valley Fasteners for Hemi

For Mopar 426 Hemi enthusiasts, the Inner Valley Head Stud Kit from Auto Racing Products (ARP) is a critical component for achieving a perfect seal. These studs are specifically designed to address the unique fastening requirements of the Hemi cylinder head valley, ensuring that your engine maintains optimal compression and structural stability. Built from high-strength chromoly steel, these studs are designed to withstand the intense pressures of high-performance racing.

Technical Specifications

  • 12-point nut design for accurate torque
  • High-tensile chromoly construction
  • Black oxide finish for durability
  • Designed specifically for World Hemi applications

The inner valley area of a Hemi engine is subject to significant thermal stress. Using high-quality ARP fasteners ensures that your head gaskets are held securely in place, preventing leaks and potential engine damage. The 12-point nuts provide a larger surface area for torque application, reducing the risk of fastener fatigue over time. This kit is a must-have for any serious engine builder looking to maximize the output and reliability of their 426 Hemi. By utilizing professional-grade materials, you can push your engine harder with the confidence that your fasteners will hold up under pressure. When it comes to high-performance engine components, trust the expertise and quality 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

Precision Inner Valley Fasteners for Hemi

For Mopar 426 Hemi enthusiasts, the Inner Valley Head Stud Kit from Auto Racing Products (ARP) is a critical component for achieving a perfect seal. These studs are specifically designed to address the unique fastening requirements of the Hemi cylinder head valley, ensuring that your engine maintains optimal compression and structural stability. Built from high-strength chromoly steel, these studs are designed to withstand the intense pressures of high-performance racing.

Technical Specifications

  • 12-point nut design for accurate torque
  • High-tensile chromoly construction
  • Black oxide finish for durability
  • Designed specifically for World Hemi applications

The inner valley area of a Hemi engine is subject to significant thermal stress. Using high-quality ARP fasteners ensures that your head gaskets are held securely in place, preventing leaks and potential engine damage. The 12-point nuts provide a larger surface area for torque application, reducing the risk of fastener fatigue over time. This kit is a must-have for any serious engine builder looking to maximize the output and reliability of their 426 Hemi. By utilizing professional-grade materials, you can push your engine harder with the confidence that your fasteners will hold up under pressure. When it comes to high-performance engine components, trust the expertise and quality 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

Precision Inner Valley Fasteners for Hemi

For Mopar 426 Hemi enthusiasts, the Inner Valley Head Stud Kit from Auto Racing Products (ARP) is a critical component for achieving a perfect seal. These studs are specifically designed to address the unique fastening requirements of the Hemi cylinder head valley, ensuring that your engine maintains optimal compression and structural stability. Built from high-strength chromoly steel, these studs are designed to withstand the intense pressures of high-performance racing.

Technical Specifications

  • 12-point nut design for accurate torque
  • High-tensile chromoly construction
  • Black oxide finish for durability
  • Designed specifically for World Hemi applications

The inner valley area of a Hemi engine is subject to significant thermal stress. Using high-quality ARP fasteners ensures that your head gaskets are held securely in place, preventing leaks and potential engine damage. The 12-point nuts provide a larger surface area for torque application, reducing the risk of fastener fatigue over time. This kit is a must-have for any serious engine builder looking to maximize the output and reliability of their 426 Hemi. By utilizing professional-grade materials, you can push your engine harder with the confidence that your fasteners will hold up under pressure. When it comes to high-performance engine components, trust the expertise and quality found at GGCRACING.

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