Auto Racing Products 7/16 ID x 13/16 OD Flat Washer — High-Strength Chromoly Steel

SKU: BQDN_200-8510
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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.

Watch in action

High-Performance Chromoly Flat Washers

When building a high-output racing engine, every component matters. These Auto Racing Products flat washers are engineered to provide superior load distribution and structural integrity under extreme stress. Crafted from premium-grade chromoly steel, these washers are designed to withstand the rigorous demands of professional motorsports.

Technical Specifications

  • Inner Diameter: 7/16 inch
  • Outer Diameter: 13/16 inch
  • Thickness: 0.12 inch
  • Material: High-Strength Chromoly
  • Finish: Corrosion-Resistant Black Oxide

The black oxide coating not only provides a professional, clean aesthetic but also adds an extra layer of protection against rust and oxidation in harsh under-hood environments. Whether you are securing cylinder heads, main caps, or custom chassis components, these washers ensure consistent torque readings and prevent surface galling during tightening. Their precision-machined dimensions guarantee a perfect fit, eliminating the play often found in standard hardware store alternatives. By choosing specialized racing fasteners, you are investing in the longevity and reliability of your vehicle's most critical assemblies. Don't settle for inferior hardware when building your competitive setup. Trust the experts at GGCRACING to provide the high-quality components your project deserves.

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 Chromoly Flat Washers

When building a high-output racing engine, every component matters. These Auto Racing Products flat washers are engineered to provide superior load distribution and structural integrity under extreme stress. Crafted from premium-grade chromoly steel, these washers are designed to withstand the rigorous demands of professional motorsports.

Technical Specifications

  • Inner Diameter: 7/16 inch
  • Outer Diameter: 13/16 inch
  • Thickness: 0.12 inch
  • Material: High-Strength Chromoly
  • Finish: Corrosion-Resistant Black Oxide

The black oxide coating not only provides a professional, clean aesthetic but also adds an extra layer of protection against rust and oxidation in harsh under-hood environments. Whether you are securing cylinder heads, main caps, or custom chassis components, these washers ensure consistent torque readings and prevent surface galling during tightening. Their precision-machined dimensions guarantee a perfect fit, eliminating the play often found in standard hardware store alternatives. By choosing specialized racing fasteners, you are investing in the longevity and reliability of your vehicle's most critical assemblies. Don't settle for inferior hardware when building your competitive setup. Trust the experts at GGCRACING to provide the high-quality components your project deserves.

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 Chromoly Flat Washers

When building a high-output racing engine, every component matters. These Auto Racing Products flat washers are engineered to provide superior load distribution and structural integrity under extreme stress. Crafted from premium-grade chromoly steel, these washers are designed to withstand the rigorous demands of professional motorsports.

Technical Specifications

  • Inner Diameter: 7/16 inch
  • Outer Diameter: 13/16 inch
  • Thickness: 0.12 inch
  • Material: High-Strength Chromoly
  • Finish: Corrosion-Resistant Black Oxide

The black oxide coating not only provides a professional, clean aesthetic but also adds an extra layer of protection against rust and oxidation in harsh under-hood environments. Whether you are securing cylinder heads, main caps, or custom chassis components, these washers ensure consistent torque readings and prevent surface galling during tightening. Their precision-machined dimensions guarantee a perfect fit, eliminating the play often found in standard hardware store alternatives. By choosing specialized racing fasteners, you are investing in the longevity and reliability of your vehicle's most critical assemblies. Don't settle for inferior hardware when building your competitive setup. Trust the experts at GGCRACING to provide the high-quality components your project deserves.

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