Auto Racing Products 9/16 ID x 1 OD Flat Washer — High-Strength Chromoly Steel

SKU: BQDN_200-8515
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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.

Watch in action

Heavy-Duty Chromoly Flat Washers

When you need reliable hardware for your high-performance engine, look no further than these 9/16 inch ID flat washers. Engineered by Auto Racing Products, these washers are crafted from hardened chromoly steel to provide maximum strength and durability under extreme pressure. They are the ideal choice for critical engine assemblies where standard hardware simply won't suffice.

Product Highlights

  • Inner Diameter: 9/16 inch
  • Outer Diameter: 1 inch
  • Thickness: 0.12 inch
  • Material: Hardened Chromoly
  • Finish: Black Oxide

These washers are designed to distribute load evenly, protecting your engine components from surface damage and ensuring consistent torque values. The black oxide finish provides a durable, corrosion-resistant coating that stands up to the rigors of the track. Perfect for use with high-strength bolts, these washers are essential for securing main caps, cylinder heads, and other vital engine parts. Their precision manufacturing ensures a perfect fit, preventing unwanted movement and ensuring your build stays together under the most demanding conditions. Whether you are assembling a new race engine or upgrading your current setup, these washers offer the reliability and performance you need to compete at the highest level. Don't compromise on quality when it comes to your engine's internal hardware. Find the parts you need for your next build 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

Heavy-Duty Chromoly Flat Washers

When you need reliable hardware for your high-performance engine, look no further than these 9/16 inch ID flat washers. Engineered by Auto Racing Products, these washers are crafted from hardened chromoly steel to provide maximum strength and durability under extreme pressure. They are the ideal choice for critical engine assemblies where standard hardware simply won't suffice.

Product Highlights

  • Inner Diameter: 9/16 inch
  • Outer Diameter: 1 inch
  • Thickness: 0.12 inch
  • Material: Hardened Chromoly
  • Finish: Black Oxide

These washers are designed to distribute load evenly, protecting your engine components from surface damage and ensuring consistent torque values. The black oxide finish provides a durable, corrosion-resistant coating that stands up to the rigors of the track. Perfect for use with high-strength bolts, these washers are essential for securing main caps, cylinder heads, and other vital engine parts. Their precision manufacturing ensures a perfect fit, preventing unwanted movement and ensuring your build stays together under the most demanding conditions. Whether you are assembling a new race engine or upgrading your current setup, these washers offer the reliability and performance you need to compete at the highest level. Don't compromise on quality when it comes to your engine's internal hardware. Find the parts you need for your next build 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

Heavy-Duty Chromoly Flat Washers

When you need reliable hardware for your high-performance engine, look no further than these 9/16 inch ID flat washers. Engineered by Auto Racing Products, these washers are crafted from hardened chromoly steel to provide maximum strength and durability under extreme pressure. They are the ideal choice for critical engine assemblies where standard hardware simply won't suffice.

Product Highlights

  • Inner Diameter: 9/16 inch
  • Outer Diameter: 1 inch
  • Thickness: 0.12 inch
  • Material: Hardened Chromoly
  • Finish: Black Oxide

These washers are designed to distribute load evenly, protecting your engine components from surface damage and ensuring consistent torque values. The black oxide finish provides a durable, corrosion-resistant coating that stands up to the rigors of the track. Perfect for use with high-strength bolts, these washers are essential for securing main caps, cylinder heads, and other vital engine parts. Their precision manufacturing ensures a perfect fit, preventing unwanted movement and ensuring your build stays together under the most demanding conditions. Whether you are assembling a new race engine or upgrading your current setup, these washers offer the reliability and performance you need to compete at the highest level. Don't compromise on quality when it comes to your engine's internal hardware. Find the parts you need for your next build at GGCRACING.

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