Auto Racing Products Chromoly 6-Point Bolt Kit 8mm x 1.25 x 30mm — Universal Performance Fasteners

SKU: BQDN_661-1003
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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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Professional-Grade 8mm Engine Bolts

Maintain peak engine reliability with the Auto Racing Products 8mm x 1.25 x 30mm bolt kit. These high-performance fasteners are constructed from hardened chromoly steel to ensure they can handle the intense pressures and vibrations found in high-output engines. Finished in a durable black oxide, these bolts are built to resist wear and environmental damage, ensuring a long service life for your engine components.

Product Specifications

  • Thread Pitch: 8mm x 1.25
  • Length: 30mm
  • Head Size: 10mm Hex
  • Material: Chromoly
  • Finish: Black Oxide
  • Quantity: 5-Pack

The 8mm x 30mm size is a common requirement for various automotive applications, including oil pans, water pumps, and accessory brackets. By replacing factory-grade bolts with these high-strength chromoly alternatives, you significantly reduce the risk of bolt fatigue and thread stripping. The 6-point hex head allows for consistent torque application, ensuring that your parts remain properly seated and sealed. Whether you are a professional engine builder or a dedicated DIY enthusiast, these bolts offer the peace of mind that comes with using top-tier hardware. Secure your build with confidence using 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

Professional-Grade 8mm Engine Bolts

Maintain peak engine reliability with the Auto Racing Products 8mm x 1.25 x 30mm bolt kit. These high-performance fasteners are constructed from hardened chromoly steel to ensure they can handle the intense pressures and vibrations found in high-output engines. Finished in a durable black oxide, these bolts are built to resist wear and environmental damage, ensuring a long service life for your engine components.

Product Specifications

  • Thread Pitch: 8mm x 1.25
  • Length: 30mm
  • Head Size: 10mm Hex
  • Material: Chromoly
  • Finish: Black Oxide
  • Quantity: 5-Pack

The 8mm x 30mm size is a common requirement for various automotive applications, including oil pans, water pumps, and accessory brackets. By replacing factory-grade bolts with these high-strength chromoly alternatives, you significantly reduce the risk of bolt fatigue and thread stripping. The 6-point hex head allows for consistent torque application, ensuring that your parts remain properly seated and sealed. Whether you are a professional engine builder or a dedicated DIY enthusiast, these bolts offer the peace of mind that comes with using top-tier hardware. Secure your build with confidence using 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

Professional-Grade 8mm Engine Bolts

Maintain peak engine reliability with the Auto Racing Products 8mm x 1.25 x 30mm bolt kit. These high-performance fasteners are constructed from hardened chromoly steel to ensure they can handle the intense pressures and vibrations found in high-output engines. Finished in a durable black oxide, these bolts are built to resist wear and environmental damage, ensuring a long service life for your engine components.

Product Specifications

  • Thread Pitch: 8mm x 1.25
  • Length: 30mm
  • Head Size: 10mm Hex
  • Material: Chromoly
  • Finish: Black Oxide
  • Quantity: 5-Pack

The 8mm x 30mm size is a common requirement for various automotive applications, including oil pans, water pumps, and accessory brackets. By replacing factory-grade bolts with these high-strength chromoly alternatives, you significantly reduce the risk of bolt fatigue and thread stripping. The 6-point hex head allows for consistent torque application, ensuring that your parts remain properly seated and sealed. Whether you are a professional engine builder or a dedicated DIY enthusiast, these bolts offer the peace of mind that comes with using top-tier hardware. Secure your build with confidence using parts from GGCRACING.

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