Allstar Performance Hex Head Bolt 1/2-20 x 4 Grade 5 Steel — Universal Fitment

SKU: DNLF_ALL16492
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About Allstar Performance Allstar Performance is America's leading circle-track racing ...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 Allstar Performance

Allstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.

Heavy-Duty 4-Inch Grade 5 Hex Head Bolt

When your fabrication project demands a longer fastener, the Allstar Performance 1/2-20 x 4 Grade 5 Hex Head Bolt provides the necessary reach without sacrificing strength. Built for the rigors of the track, this bolt is a staple for custom builders who prioritize safety and performance. Its Grade 5 steel composition provides the tensile strength required for demanding automotive applications.

Technical Details

  • Thread Size: 1/2-20
  • Length: 4 inches
  • Head Size: 3/4 inch Hex
  • Material: Grade 5 Steel
  • Finish: Zinc Oxide
  • Application: Universal

This 4-inch bolt is perfect for mounting components that require extra clearance, such as custom suspension brackets, seat mounts, or engine accessories. The precision-engineered 1/2-20 threads ensure a consistent, reliable grip, while the 3/4-inch hex head allows for easy tightening with standard wrenches or sockets. The zinc oxide finish is designed to withstand harsh environments, preventing corrosion and maintaining the integrity of your hardware over time. Whether you are performing a full chassis build or simple maintenance, having the right length bolt is crucial for a professional finish. Rely on Allstar Performance for consistent quality in every fastener. Explore the full range of racing hardware and automotive supplies available now at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Allstar Performance

Allstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.

Heavy-Duty 4-Inch Grade 5 Hex Head Bolt

When your fabrication project demands a longer fastener, the Allstar Performance 1/2-20 x 4 Grade 5 Hex Head Bolt provides the necessary reach without sacrificing strength. Built for the rigors of the track, this bolt is a staple for custom builders who prioritize safety and performance. Its Grade 5 steel composition provides the tensile strength required for demanding automotive applications.

Technical Details

  • Thread Size: 1/2-20
  • Length: 4 inches
  • Head Size: 3/4 inch Hex
  • Material: Grade 5 Steel
  • Finish: Zinc Oxide
  • Application: Universal

This 4-inch bolt is perfect for mounting components that require extra clearance, such as custom suspension brackets, seat mounts, or engine accessories. The precision-engineered 1/2-20 threads ensure a consistent, reliable grip, while the 3/4-inch hex head allows for easy tightening with standard wrenches or sockets. The zinc oxide finish is designed to withstand harsh environments, preventing corrosion and maintaining the integrity of your hardware over time. Whether you are performing a full chassis build or simple maintenance, having the right length bolt is crucial for a professional finish. Rely on Allstar Performance for consistent quality in every fastener. Explore the full range of racing hardware and automotive supplies available now at GGCRACING.

Product Details

Product Description

About Allstar Performance

Allstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.

Heavy-Duty 4-Inch Grade 5 Hex Head Bolt

When your fabrication project demands a longer fastener, the Allstar Performance 1/2-20 x 4 Grade 5 Hex Head Bolt provides the necessary reach without sacrificing strength. Built for the rigors of the track, this bolt is a staple for custom builders who prioritize safety and performance. Its Grade 5 steel composition provides the tensile strength required for demanding automotive applications.

Technical Details

  • Thread Size: 1/2-20
  • Length: 4 inches
  • Head Size: 3/4 inch Hex
  • Material: Grade 5 Steel
  • Finish: Zinc Oxide
  • Application: Universal

This 4-inch bolt is perfect for mounting components that require extra clearance, such as custom suspension brackets, seat mounts, or engine accessories. The precision-engineered 1/2-20 threads ensure a consistent, reliable grip, while the 3/4-inch hex head allows for easy tightening with standard wrenches or sockets. The zinc oxide finish is designed to withstand harsh environments, preventing corrosion and maintaining the integrity of your hardware over time. Whether you are performing a full chassis build or simple maintenance, having the right length bolt is crucial for a professional finish. Rely on Allstar Performance for consistent quality in every fastener. Explore the full range of racing hardware and automotive supplies available now at GGCRACING.

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