Auto Racing Products

Auto Racing Products S/S Flat Washer 3/8" ID x 5/8" OD (1) — Polished Stainless Steel

Auto Racing Products S/S Flat Washer 3/8" ID x 5/8" OD (1) — Polished Stainless Steel
Auto Racing Products S/S Flat Washer 3/8" ID x 5/8" OD (1) — Polished Stainless Steel
Auto Racing Products S/S Flat Washer 3/8" ID x 5/8" OD (1) — Polished Stainless Steel
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Auto Racing Products S/S Flat Washer 3/8" ID x 5/8" OD (1) — Polished Stainless SteelAuto Racing Products S/S Flat Washer 3/8" ID x 5/8" OD (1) — Polished Stainless SteelAuto Racing Products S/S Flat Washer 3/8" ID x 5/8" OD (1) — Polished Stainless Steel
Auto Racing Products

Auto Racing Products S/S Flat Washer 3/8" ID x 5/8" OD (1) — Polished Stainless Steel

SKU: BQDN_200-8405
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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
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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

Premium Load Distribution with ARP Stainless Steel Flat Washers

Achieve optimal fastener performance and protect mating surfaces with the Auto Racing Products (ARP) Stainless Steel Flat Washer. This single, precision-machined washer, featuring a 3/8 inch inner diameter and 5/8 inch outer diameter, is designed to evenly distribute clamping loads, preventing fastener pull-through and minimizing damage to components. Crafted from high-quality stainless steel, it offers superior corrosion resistance and a clean, polished aesthetic, making it ideal for both functional and visual applications.

Essential for Fastener Longevity and Surface Protection

  • Optimized Dimensions: Features a 0.375 inch inner diameter and 0.625 inch outer diameter for broad application compatibility.
  • Ideal Thickness: With a 0.063 inch thickness, it provides effective load spreading without excessive bulk.
  • Superior Material: Constructed from durable stainless steel, offering excellent resistance to rust, oxidation, and chemical exposure.
  • Enhanced Finish: Boasts a polished surface for a clean, professional look, suitable for visible engine bay or exterior applications.
  • Versatile Application: A general-purpose flat washer, perfect for a wide range of automotive, marine, and industrial uses.

This ARP stainless steel flat washer (part number 200-8405) is an indispensable bulk fastener for any project requiring reliable load distribution and long-term corrosion protection. Whether used under bolt heads, nuts, or to space components, its polished stainless steel construction ensures both performance and visual appeal. Trust ARP for the finest quality in every detail of your build.

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

Premium Load Distribution with ARP Stainless Steel Flat Washers

Achieve optimal fastener performance and protect mating surfaces with the Auto Racing Products (ARP) Stainless Steel Flat Washer. This single, precision-machined washer, featuring a 3/8 inch inner diameter and 5/8 inch outer diameter, is designed to evenly distribute clamping loads, preventing fastener pull-through and minimizing damage to components. Crafted from high-quality stainless steel, it offers superior corrosion resistance and a clean, polished aesthetic, making it ideal for both functional and visual applications.

Essential for Fastener Longevity and Surface Protection

  • Optimized Dimensions: Features a 0.375 inch inner diameter and 0.625 inch outer diameter for broad application compatibility.
  • Ideal Thickness: With a 0.063 inch thickness, it provides effective load spreading without excessive bulk.
  • Superior Material: Constructed from durable stainless steel, offering excellent resistance to rust, oxidation, and chemical exposure.
  • Enhanced Finish: Boasts a polished surface for a clean, professional look, suitable for visible engine bay or exterior applications.
  • Versatile Application: A general-purpose flat washer, perfect for a wide range of automotive, marine, and industrial uses.

This ARP stainless steel flat washer (part number 200-8405) is an indispensable bulk fastener for any project requiring reliable load distribution and long-term corrosion protection. Whether used under bolt heads, nuts, or to space components, its polished stainless steel construction ensures both performance and visual appeal. Trust ARP for the finest quality in every detail of your build.

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

Premium Load Distribution with ARP Stainless Steel Flat Washers

Achieve optimal fastener performance and protect mating surfaces with the Auto Racing Products (ARP) Stainless Steel Flat Washer. This single, precision-machined washer, featuring a 3/8 inch inner diameter and 5/8 inch outer diameter, is designed to evenly distribute clamping loads, preventing fastener pull-through and minimizing damage to components. Crafted from high-quality stainless steel, it offers superior corrosion resistance and a clean, polished aesthetic, making it ideal for both functional and visual applications.

Essential for Fastener Longevity and Surface Protection

  • Optimized Dimensions: Features a 0.375 inch inner diameter and 0.625 inch outer diameter for broad application compatibility.
  • Ideal Thickness: With a 0.063 inch thickness, it provides effective load spreading without excessive bulk.
  • Superior Material: Constructed from durable stainless steel, offering excellent resistance to rust, oxidation, and chemical exposure.
  • Enhanced Finish: Boasts a polished surface for a clean, professional look, suitable for visible engine bay or exterior applications.
  • Versatile Application: A general-purpose flat washer, perfect for a wide range of automotive, marine, and industrial uses.

This ARP stainless steel flat washer (part number 200-8405) is an indispensable bulk fastener for any project requiring reliable load distribution and long-term corrosion protection. Whether used under bolt heads, nuts, or to space components, its polished stainless steel construction ensures both performance and visual appeal. Trust ARP for the finest quality in every detail of your build.

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