Auto Racing Products Chromoly 6-Point Bolt Kit 8mm x 1.25 x 40mm — Universal Performance Fasteners

SKU: BQDN_661-1005
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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 8mm Chromoly Fasteners

When you need a reliable 8mm fastener with a 40mm length, look no further than this Auto Racing Products 6-point bolt kit. Engineered for those who demand the best from their vehicles, these bolts are forged from high-strength chromoly steel. The black oxide finish provides a clean, professional look while offering excellent resistance against the elements, making them suitable for both street and track performance.

Technical Details

  • Thread Pitch: 8mm x 1.25
  • Length: 40mm
  • Head Size: 10mm Hex
  • Material: Chromoly Steel
  • Finish: Black Oxide
  • Quantity: 5 Bolts Per Pack

These bolts are designed to provide superior holding power for critical engine components. The 6-point hex head design ensures that you can apply proper torque without the risk of slipping, which is vital when working on sensitive engine assemblies. Because these bolts are made from chromoly rather than standard mild steel, they offer increased resistance to stretching under extreme thermal expansion and vibration. This makes them an ideal choice for securing intake manifolds, valve covers, or custom mounting solutions. Don't compromise on your vehicle's safety or performance; choose high-quality hardware for every bolt hole. Upgrade your engine bay with precision-engineered parts from 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 8mm Chromoly Fasteners

When you need a reliable 8mm fastener with a 40mm length, look no further than this Auto Racing Products 6-point bolt kit. Engineered for those who demand the best from their vehicles, these bolts are forged from high-strength chromoly steel. The black oxide finish provides a clean, professional look while offering excellent resistance against the elements, making them suitable for both street and track performance.

Technical Details

  • Thread Pitch: 8mm x 1.25
  • Length: 40mm
  • Head Size: 10mm Hex
  • Material: Chromoly Steel
  • Finish: Black Oxide
  • Quantity: 5 Bolts Per Pack

These bolts are designed to provide superior holding power for critical engine components. The 6-point hex head design ensures that you can apply proper torque without the risk of slipping, which is vital when working on sensitive engine assemblies. Because these bolts are made from chromoly rather than standard mild steel, they offer increased resistance to stretching under extreme thermal expansion and vibration. This makes them an ideal choice for securing intake manifolds, valve covers, or custom mounting solutions. Don't compromise on your vehicle's safety or performance; choose high-quality hardware for every bolt hole. Upgrade your engine bay with precision-engineered parts from 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 8mm Chromoly Fasteners

When you need a reliable 8mm fastener with a 40mm length, look no further than this Auto Racing Products 6-point bolt kit. Engineered for those who demand the best from their vehicles, these bolts are forged from high-strength chromoly steel. The black oxide finish provides a clean, professional look while offering excellent resistance against the elements, making them suitable for both street and track performance.

Technical Details

  • Thread Pitch: 8mm x 1.25
  • Length: 40mm
  • Head Size: 10mm Hex
  • Material: Chromoly Steel
  • Finish: Black Oxide
  • Quantity: 5 Bolts Per Pack

These bolts are designed to provide superior holding power for critical engine components. The 6-point hex head design ensures that you can apply proper torque without the risk of slipping, which is vital when working on sensitive engine assemblies. Because these bolts are made from chromoly rather than standard mild steel, they offer increased resistance to stretching under extreme thermal expansion and vibration. This makes them an ideal choice for securing intake manifolds, valve covers, or custom mounting solutions. Don't compromise on your vehicle's safety or performance; choose high-quality hardware for every bolt hole. Upgrade your engine bay with precision-engineered parts from GGCRACING.

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