ARP M8 x 1.25 x 30mm 12pt Stainless Steel Bolt Kit — Universal Automotive Hardware

SKU: ARP771-1003
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About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...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 ARP

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.

Precision Engineered ARP 12pt Bolts

Achieve professional-grade results with ARP M8 x 1.25 x 30mm 12pt stainless steel bolts. These fasteners are specifically designed for high-performance applications where standard bolts fail to meet the requirements for strength and durability. The 12-point head configuration is ideal for tight clearances, allowing for easy installation with standard 12-point sockets. Crafted from high-quality stainless steel, these bolts are highly resistant to oxidation and wear, ensuring long-term reliability for your vehicle.

Technical Specifications

  • Thread Pitch: M8 x 1.25
  • Length: 30mm
  • Head Style: 12-Point
  • Material: Stainless Steel
  • Quantity: 5 Bolts per set
  • Ideal for engine accessories and custom brackets

Whether you are working on a daily driver or a dedicated track car, these bolts provide the peace of mind that comes with using industry-leading hardware. The 30mm length offers versatility for various mounting points throughout the engine bay. By replacing your old, corroded factory hardware with these premium ARP fasteners, you improve both the functionality and the aesthetic appeal of your engine. Experience the difference in quality and performance that only GGCRACING can provide for your automotive projects.

Product Details

Product Description
Part Numbers
Sizing & Fit

About ARP

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.

Precision Engineered ARP 12pt Bolts

Achieve professional-grade results with ARP M8 x 1.25 x 30mm 12pt stainless steel bolts. These fasteners are specifically designed for high-performance applications where standard bolts fail to meet the requirements for strength and durability. The 12-point head configuration is ideal for tight clearances, allowing for easy installation with standard 12-point sockets. Crafted from high-quality stainless steel, these bolts are highly resistant to oxidation and wear, ensuring long-term reliability for your vehicle.

Technical Specifications

  • Thread Pitch: M8 x 1.25
  • Length: 30mm
  • Head Style: 12-Point
  • Material: Stainless Steel
  • Quantity: 5 Bolts per set
  • Ideal for engine accessories and custom brackets

Whether you are working on a daily driver or a dedicated track car, these bolts provide the peace of mind that comes with using industry-leading hardware. The 30mm length offers versatility for various mounting points throughout the engine bay. By replacing your old, corroded factory hardware with these premium ARP fasteners, you improve both the functionality and the aesthetic appeal of your engine. Experience the difference in quality and performance that only GGCRACING can provide for your automotive projects.

Product Details

Product Description

About ARP

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.

Precision Engineered ARP 12pt Bolts

Achieve professional-grade results with ARP M8 x 1.25 x 30mm 12pt stainless steel bolts. These fasteners are specifically designed for high-performance applications where standard bolts fail to meet the requirements for strength and durability. The 12-point head configuration is ideal for tight clearances, allowing for easy installation with standard 12-point sockets. Crafted from high-quality stainless steel, these bolts are highly resistant to oxidation and wear, ensuring long-term reliability for your vehicle.

Technical Specifications

  • Thread Pitch: M8 x 1.25
  • Length: 30mm
  • Head Style: 12-Point
  • Material: Stainless Steel
  • Quantity: 5 Bolts per set
  • Ideal for engine accessories and custom brackets

Whether you are working on a daily driver or a dedicated track car, these bolts provide the peace of mind that comes with using industry-leading hardware. The 30mm length offers versatility for various mounting points throughout the engine bay. By replacing your old, corroded factory hardware with these premium ARP fasteners, you improve both the functionality and the aesthetic appeal of your engine. Experience the difference in quality and performance that only GGCRACING can provide for your automotive projects.

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