Auto Racing Products Chromoly Flat Washer 0.5" ID x 1.35" OD — Chamfered Black Oxide Finish

SKU: BQDN_200-8703
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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.

Auto Racing Products 0.5" ID Chamfered Chromoly Flat Washer: Precision Fastening

Reinforce your critical connections with the Auto Racing Products Chromoly Flat Washer, featuring a precise 0.5 inch (1/2 inch) inner diameter and a substantial 1.35 inch outer diameter. This single-pack washer is crafted from premium chromoly steel, known for its exceptional strength and fatigue resistance, making it an ideal choice for high-stress automotive and racing applications. The chamfered edge design ensures a clean fit and helps prevent stress concentrations around the fastener head.

Advanced Design for Enhanced Load Distribution

With a robust 0.245 inch thickness, this special purpose flat washer provides superior load distribution, protecting components from damage and ensuring consistent clamping force. The chromoly construction offers significant advantages over standard materials, providing the reliability needed in performance environments where fastener integrity is paramount. Finished with a sleek black oxide coating, it resists corrosion and blends seamlessly with other high-performance hardware, maintaining a professional aesthetic.

  • Material: High-strength Chromoly steel for maximum durability.
  • Dimensions: 0.5" ID x 1.35" OD x 0.245" Thick for specific applications.
  • Feature: Chamfered edge for improved seating and stress reduction.
  • Finish: Black Oxide for corrosion resistance and a clean look.
  • Application: Essential for high-load, high-vibration automotive components.

Uncompromising Quality for Performance Builds

When every detail counts, choose Auto Racing Products for your fastening needs. This chromoly flat washer is designed to meet the rigorous demands of racing and high-performance street use, offering unparalleled strength and precision. Its ability to evenly distribute pressure helps safeguard against component wear and ensures your assemblies remain secure under extreme conditions. Trust in ARP's commitment to quality. Explore more specialized hardware 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.

Auto Racing Products 0.5" ID Chamfered Chromoly Flat Washer: Precision Fastening

Reinforce your critical connections with the Auto Racing Products Chromoly Flat Washer, featuring a precise 0.5 inch (1/2 inch) inner diameter and a substantial 1.35 inch outer diameter. This single-pack washer is crafted from premium chromoly steel, known for its exceptional strength and fatigue resistance, making it an ideal choice for high-stress automotive and racing applications. The chamfered edge design ensures a clean fit and helps prevent stress concentrations around the fastener head.

Advanced Design for Enhanced Load Distribution

With a robust 0.245 inch thickness, this special purpose flat washer provides superior load distribution, protecting components from damage and ensuring consistent clamping force. The chromoly construction offers significant advantages over standard materials, providing the reliability needed in performance environments where fastener integrity is paramount. Finished with a sleek black oxide coating, it resists corrosion and blends seamlessly with other high-performance hardware, maintaining a professional aesthetic.

  • Material: High-strength Chromoly steel for maximum durability.
  • Dimensions: 0.5" ID x 1.35" OD x 0.245" Thick for specific applications.
  • Feature: Chamfered edge for improved seating and stress reduction.
  • Finish: Black Oxide for corrosion resistance and a clean look.
  • Application: Essential for high-load, high-vibration automotive components.

Uncompromising Quality for Performance Builds

When every detail counts, choose Auto Racing Products for your fastening needs. This chromoly flat washer is designed to meet the rigorous demands of racing and high-performance street use, offering unparalleled strength and precision. Its ability to evenly distribute pressure helps safeguard against component wear and ensures your assemblies remain secure under extreme conditions. Trust in ARP's commitment to quality. Explore more specialized hardware 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.

Auto Racing Products 0.5" ID Chamfered Chromoly Flat Washer: Precision Fastening

Reinforce your critical connections with the Auto Racing Products Chromoly Flat Washer, featuring a precise 0.5 inch (1/2 inch) inner diameter and a substantial 1.35 inch outer diameter. This single-pack washer is crafted from premium chromoly steel, known for its exceptional strength and fatigue resistance, making it an ideal choice for high-stress automotive and racing applications. The chamfered edge design ensures a clean fit and helps prevent stress concentrations around the fastener head.

Advanced Design for Enhanced Load Distribution

With a robust 0.245 inch thickness, this special purpose flat washer provides superior load distribution, protecting components from damage and ensuring consistent clamping force. The chromoly construction offers significant advantages over standard materials, providing the reliability needed in performance environments where fastener integrity is paramount. Finished with a sleek black oxide coating, it resists corrosion and blends seamlessly with other high-performance hardware, maintaining a professional aesthetic.

  • Material: High-strength Chromoly steel for maximum durability.
  • Dimensions: 0.5" ID x 1.35" OD x 0.245" Thick for specific applications.
  • Feature: Chamfered edge for improved seating and stress reduction.
  • Finish: Black Oxide for corrosion resistance and a clean look.
  • Application: Essential for high-load, high-vibration automotive components.

Uncompromising Quality for Performance Builds

When every detail counts, choose Auto Racing Products for your fastening needs. This chromoly flat washer is designed to meet the rigorous demands of racing and high-performance street use, offering unparalleled strength and precision. Its ability to evenly distribute pressure helps safeguard against component wear and ensures your assemblies remain secure under extreme conditions. Trust in ARP's commitment to quality. Explore more specialized hardware at GGCRACING.

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