Auto Racing Products Stainless Steel Flat Washers 7/16 ID x .812 OD — Performance Racing Hardware

SKU: BQDN_400-8529
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About Auto Racing Products ARP (Automotive Racing Products) makes the ...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 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.

Premium ARP Stainless Steel Flat Washers

Ensure your engine and chassis components are secured with the reliability of Auto Racing Products (ARP) flat washers. These 7/16 ID x .812 OD washers are engineered for high-performance applications where standard hardware fails. Crafted from premium-grade stainless steel, these washers provide superior corrosion resistance and structural integrity under extreme heat and vibration.

Technical Specifications

  • Inner Diameter: 0.438 inch
  • Outer Diameter: 0.812 inch
  • Thickness: 0.12 inch
  • Material: Polished Stainless Steel
  • Design: Chamfered for optimal load distribution
  • Quantity: Pair (2)

Whether you are assembling a race engine or upgrading suspension components, using high-quality fasteners is critical for safety and performance. The chamfered edge design ensures a flush, secure fit against mating surfaces, reducing the risk of galling or loosening during high-RPM operation. The polished finish not only looks professional but also prevents debris buildup in critical areas. These washers are the ideal choice for builders who refuse to compromise on quality. Trust GGCRACING for all your professional-grade automotive hardware needs.

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.

Premium ARP Stainless Steel Flat Washers

Ensure your engine and chassis components are secured with the reliability of Auto Racing Products (ARP) flat washers. These 7/16 ID x .812 OD washers are engineered for high-performance applications where standard hardware fails. Crafted from premium-grade stainless steel, these washers provide superior corrosion resistance and structural integrity under extreme heat and vibration.

Technical Specifications

  • Inner Diameter: 0.438 inch
  • Outer Diameter: 0.812 inch
  • Thickness: 0.12 inch
  • Material: Polished Stainless Steel
  • Design: Chamfered for optimal load distribution
  • Quantity: Pair (2)

Whether you are assembling a race engine or upgrading suspension components, using high-quality fasteners is critical for safety and performance. The chamfered edge design ensures a flush, secure fit against mating surfaces, reducing the risk of galling or loosening during high-RPM operation. The polished finish not only looks professional but also prevents debris buildup in critical areas. These washers are the ideal choice for builders who refuse to compromise on quality. Trust GGCRACING for all your professional-grade automotive hardware needs.

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.

Premium ARP Stainless Steel Flat Washers

Ensure your engine and chassis components are secured with the reliability of Auto Racing Products (ARP) flat washers. These 7/16 ID x .812 OD washers are engineered for high-performance applications where standard hardware fails. Crafted from premium-grade stainless steel, these washers provide superior corrosion resistance and structural integrity under extreme heat and vibration.

Technical Specifications

  • Inner Diameter: 0.438 inch
  • Outer Diameter: 0.812 inch
  • Thickness: 0.12 inch
  • Material: Polished Stainless Steel
  • Design: Chamfered for optimal load distribution
  • Quantity: Pair (2)

Whether you are assembling a race engine or upgrading suspension components, using high-quality fasteners is critical for safety and performance. The chamfered edge design ensures a flush, secure fit against mating surfaces, reducing the risk of galling or loosening during high-RPM operation. The polished finish not only looks professional but also prevents debris buildup in critical areas. These washers are the ideal choice for builders who refuse to compromise on quality. Trust GGCRACING for all your professional-grade automotive hardware needs.

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