Auto Racing Products 6-Point Hex Bolt Kit — 1/2-13 x 4.500 Chromoly Steel

SKU: BQDN_617-4500
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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.

Watch in action

Professional-Grade 4.5-Inch Chromoly Bolts

Experience unmatched reliability with this set of five Auto Racing Products 1/2-13 x 4.500 inch bolts. Designed for builders who demand precision, these 6-point hex head bolts are forged from high-strength chromoly steel to withstand extreme vibration and thermal stress. The black oxide finish not only adds a sleek aesthetic but also provides essential protection against oxidation in harsh racing conditions.

Why Choose ARP Hardware?

  • Thread Pitch: 1/2-13
  • Length: 4.500 inches
  • Drive: 9/16 inch 6-Point Hex
  • Material: Heat-Treated Chromoly
  • Finish: Black Oxide
  • Package: 5-Piece Set

These bolts are perfect for deep-reach applications in engine mounts, suspension links, and heavy-duty chassis bracing. The 6-point head design is engineered to prevent rounding, allowing for repeated torque cycles without compromising the fastener's integrity. By utilizing high-grade chromoly, these bolts offer a significantly higher yield strength than standard hardware store alternatives. Trust in the quality of Auto Racing Products to keep your vehicle safe and performing at its peak. Find all your essential racing hardware and fasteners 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

Professional-Grade 4.5-Inch Chromoly Bolts

Experience unmatched reliability with this set of five Auto Racing Products 1/2-13 x 4.500 inch bolts. Designed for builders who demand precision, these 6-point hex head bolts are forged from high-strength chromoly steel to withstand extreme vibration and thermal stress. The black oxide finish not only adds a sleek aesthetic but also provides essential protection against oxidation in harsh racing conditions.

Why Choose ARP Hardware?

  • Thread Pitch: 1/2-13
  • Length: 4.500 inches
  • Drive: 9/16 inch 6-Point Hex
  • Material: Heat-Treated Chromoly
  • Finish: Black Oxide
  • Package: 5-Piece Set

These bolts are perfect for deep-reach applications in engine mounts, suspension links, and heavy-duty chassis bracing. The 6-point head design is engineered to prevent rounding, allowing for repeated torque cycles without compromising the fastener's integrity. By utilizing high-grade chromoly, these bolts offer a significantly higher yield strength than standard hardware store alternatives. Trust in the quality of Auto Racing Products to keep your vehicle safe and performing at its peak. Find all your essential racing hardware and fasteners 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

Professional-Grade 4.5-Inch Chromoly Bolts

Experience unmatched reliability with this set of five Auto Racing Products 1/2-13 x 4.500 inch bolts. Designed for builders who demand precision, these 6-point hex head bolts are forged from high-strength chromoly steel to withstand extreme vibration and thermal stress. The black oxide finish not only adds a sleek aesthetic but also provides essential protection against oxidation in harsh racing conditions.

Why Choose ARP Hardware?

  • Thread Pitch: 1/2-13
  • Length: 4.500 inches
  • Drive: 9/16 inch 6-Point Hex
  • Material: Heat-Treated Chromoly
  • Finish: Black Oxide
  • Package: 5-Piece Set

These bolts are perfect for deep-reach applications in engine mounts, suspension links, and heavy-duty chassis bracing. The 6-point head design is engineered to prevent rounding, allowing for repeated torque cycles without compromising the fastener's integrity. By utilizing high-grade chromoly, these bolts offer a significantly higher yield strength than standard hardware store alternatives. Trust in the quality of Auto Racing Products to keep your vehicle safe and performing at its peak. Find all your essential racing hardware and fasteners at GGCRACING.

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