ARP M8 x 1.25 x 25mm 12pt Stainless Steel Bolt Kit — Universal Automotive Hardware

SKU: ARP771-1002
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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.

Watch in action

High-Strength ARP 12pt Fasteners

Upgrade your vehicle's hardware with the precision of ARP M8 x 1.25 x 25mm 12pt stainless steel bolts. Designed for builders who refuse to compromise, these bolts offer a significant upgrade over OEM hardware. The stainless steel construction ensures that your fasteners will not rust or seize, even after years of exposure to heat and moisture. The 12-point head design provides a secure grip for your socket, reducing the risk of slippage during critical torque sequences.

Key Features and Benefits

  • Thread Size: M8 x 1.25
  • Under-head Length: 25mm
  • Head Type: 12-Point
  • Material: High-Grade Stainless Steel
  • Package Quantity: 5 Bolts
  • Corrosion-resistant finish for a lasting shine

These bolts are an essential addition to any performance build, providing the necessary clamping force to keep your engine accessories securely in place. The 25mm length is perfect for a variety of automotive applications, including alternator mounts, water pump housings, and custom bracketry. With their polished finish, they add a touch of race-inspired style to any engine bay. When you need parts that perform as good as they look, GGCRACING is your source for premium ARP hardware solutions.

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.

Watch in action

High-Strength ARP 12pt Fasteners

Upgrade your vehicle's hardware with the precision of ARP M8 x 1.25 x 25mm 12pt stainless steel bolts. Designed for builders who refuse to compromise, these bolts offer a significant upgrade over OEM hardware. The stainless steel construction ensures that your fasteners will not rust or seize, even after years of exposure to heat and moisture. The 12-point head design provides a secure grip for your socket, reducing the risk of slippage during critical torque sequences.

Key Features and Benefits

  • Thread Size: M8 x 1.25
  • Under-head Length: 25mm
  • Head Type: 12-Point
  • Material: High-Grade Stainless Steel
  • Package Quantity: 5 Bolts
  • Corrosion-resistant finish for a lasting shine

These bolts are an essential addition to any performance build, providing the necessary clamping force to keep your engine accessories securely in place. The 25mm length is perfect for a variety of automotive applications, including alternator mounts, water pump housings, and custom bracketry. With their polished finish, they add a touch of race-inspired style to any engine bay. When you need parts that perform as good as they look, GGCRACING is your source for premium ARP hardware solutions.

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.

Watch in action

High-Strength ARP 12pt Fasteners

Upgrade your vehicle's hardware with the precision of ARP M8 x 1.25 x 25mm 12pt stainless steel bolts. Designed for builders who refuse to compromise, these bolts offer a significant upgrade over OEM hardware. The stainless steel construction ensures that your fasteners will not rust or seize, even after years of exposure to heat and moisture. The 12-point head design provides a secure grip for your socket, reducing the risk of slippage during critical torque sequences.

Key Features and Benefits

  • Thread Size: M8 x 1.25
  • Under-head Length: 25mm
  • Head Type: 12-Point
  • Material: High-Grade Stainless Steel
  • Package Quantity: 5 Bolts
  • Corrosion-resistant finish for a lasting shine

These bolts are an essential addition to any performance build, providing the necessary clamping force to keep your engine accessories securely in place. The 25mm length is perfect for a variety of automotive applications, including alternator mounts, water pump housings, and custom bracketry. With their polished finish, they add a touch of race-inspired style to any engine bay. When you need parts that perform as good as they look, GGCRACING is your source for premium ARP hardware solutions.

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