Auto Racing Products 1/2 ID x 7/8 OD Flat Washer — High-Strength Chromoly Steel

SKU: BQDN_200-8514
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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 Chromoly Flat Washers

Maintain the structural integrity of your engine with these high-strength flat washers. Designed for demanding racing environments, these washers provide a stable, flat surface for bolt heads and nuts, ensuring even pressure distribution across your components. Made from durable chromoly steel, they are built to handle the intense heat and vibration of high-performance driving.

Technical Specifications

  • Inner Diameter: 1/2 inch
  • Outer Diameter: 7/8 inch
  • Thickness: 0.12 inch
  • Material: High-Strength Chromoly
  • Finish: Black Oxide

The black oxide finish offers excellent corrosion resistance while maintaining a professional appearance. These washers are ideal for a variety of applications, including engine mounts, transmission housings, and suspension components. By using high-quality fasteners, you reduce the risk of hardware fatigue and ensure that your vehicle performs at its peak. The precision-machined dimensions allow for a snug fit, preventing movement that could compromise your assembly. Whether you are a professional engine builder or a dedicated weekend racer, these washers are a must-have for your toolbox. They are designed to withstand the extreme clamping forces required in modern racing setups, providing reliability where it matters most. Invest in the best hardware for your build. Explore the full selection of high-performance automotive fasteners available 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 Chromoly Flat Washers

Maintain the structural integrity of your engine with these high-strength flat washers. Designed for demanding racing environments, these washers provide a stable, flat surface for bolt heads and nuts, ensuring even pressure distribution across your components. Made from durable chromoly steel, they are built to handle the intense heat and vibration of high-performance driving.

Technical Specifications

  • Inner Diameter: 1/2 inch
  • Outer Diameter: 7/8 inch
  • Thickness: 0.12 inch
  • Material: High-Strength Chromoly
  • Finish: Black Oxide

The black oxide finish offers excellent corrosion resistance while maintaining a professional appearance. These washers are ideal for a variety of applications, including engine mounts, transmission housings, and suspension components. By using high-quality fasteners, you reduce the risk of hardware fatigue and ensure that your vehicle performs at its peak. The precision-machined dimensions allow for a snug fit, preventing movement that could compromise your assembly. Whether you are a professional engine builder or a dedicated weekend racer, these washers are a must-have for your toolbox. They are designed to withstand the extreme clamping forces required in modern racing setups, providing reliability where it matters most. Invest in the best hardware for your build. Explore the full selection of high-performance automotive fasteners available 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 Chromoly Flat Washers

Maintain the structural integrity of your engine with these high-strength flat washers. Designed for demanding racing environments, these washers provide a stable, flat surface for bolt heads and nuts, ensuring even pressure distribution across your components. Made from durable chromoly steel, they are built to handle the intense heat and vibration of high-performance driving.

Technical Specifications

  • Inner Diameter: 1/2 inch
  • Outer Diameter: 7/8 inch
  • Thickness: 0.12 inch
  • Material: High-Strength Chromoly
  • Finish: Black Oxide

The black oxide finish offers excellent corrosion resistance while maintaining a professional appearance. These washers are ideal for a variety of applications, including engine mounts, transmission housings, and suspension components. By using high-quality fasteners, you reduce the risk of hardware fatigue and ensure that your vehicle performs at its peak. The precision-machined dimensions allow for a snug fit, preventing movement that could compromise your assembly. Whether you are a professional engine builder or a dedicated weekend racer, these washers are a must-have for your toolbox. They are designed to withstand the extreme clamping forces required in modern racing setups, providing reliability where it matters most. Invest in the best hardware for your build. Explore the full selection of high-performance automotive fasteners available at GGCRACING.

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