Auto Racing Products Chromoly Black Oxide Insert Washers - 7/16" ID Head Bolt (Set of 10)

SKU: BQDN_200-8573
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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.

Achieve Uncompromising Engine Reliability with Heavy-Duty Insert Washers

Elevate your engine's performance and durability with Auto Racing Products Chromoly Black Oxide Insert Washers, specifically engineered for cylinder head bolts. These heavy-duty washers are a critical upgrade, ensuring consistent clamping load and preventing fastener issues that can compromise engine integrity. In high-performance and competition environments, maintaining a perfect seal and preventing head gasket failure is paramount, and these washers are designed to deliver precisely that.

Precision Engineering for Extreme Conditions

Crafted from high-grade chromoly steel, these insert washers offer unparalleled tensile strength and resistance to deformation, even under the most extreme engine conditions. This superior material choice ensures that your cylinder head bolts remain securely torqued, resisting the forces of thermal cycling and high combustion pressures. The washers are meticulously finished with a robust black oxide coating, providing a formidable shield against rust, corrosion, and chemical attack, ensuring long-term reliability and performance.

  • Material: High-grade Chromoly Steel for maximum strength
  • Finish: Durable Black Oxide for superior corrosion resistance
  • Inner Diameter (ID): Precision 0.438 inches (7/16")
  • Outer Diameter (OD): Robust 0.812 inches
  • Insert Outer Diameter: Secure 0.571 inches
  • Application: Critical head bolt washer for cylinder head assemblies
  • Quantity: Convenient set of 10 washers

The Ultimate Foundation for Your Performance Engine

Investing in top-tier engine fasteners is a non-negotiable for any serious build. These Auto Racing Products insert washers are crucial for distributing the clamping force of your head bolts evenly across the cylinder head, mitigating stress points and ensuring the longevity of your head gasket. Their precision-machined design ensures a perfect, non-slip fit, contributing to more accurate torque readings and a more secure assembly. Trust GGCRACING to provide the foundational components that empower your engine to perform at its peak, offering peace of mind and extended component life.

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.

Achieve Uncompromising Engine Reliability with Heavy-Duty Insert Washers

Elevate your engine's performance and durability with Auto Racing Products Chromoly Black Oxide Insert Washers, specifically engineered for cylinder head bolts. These heavy-duty washers are a critical upgrade, ensuring consistent clamping load and preventing fastener issues that can compromise engine integrity. In high-performance and competition environments, maintaining a perfect seal and preventing head gasket failure is paramount, and these washers are designed to deliver precisely that.

Precision Engineering for Extreme Conditions

Crafted from high-grade chromoly steel, these insert washers offer unparalleled tensile strength and resistance to deformation, even under the most extreme engine conditions. This superior material choice ensures that your cylinder head bolts remain securely torqued, resisting the forces of thermal cycling and high combustion pressures. The washers are meticulously finished with a robust black oxide coating, providing a formidable shield against rust, corrosion, and chemical attack, ensuring long-term reliability and performance.

  • Material: High-grade Chromoly Steel for maximum strength
  • Finish: Durable Black Oxide for superior corrosion resistance
  • Inner Diameter (ID): Precision 0.438 inches (7/16")
  • Outer Diameter (OD): Robust 0.812 inches
  • Insert Outer Diameter: Secure 0.571 inches
  • Application: Critical head bolt washer for cylinder head assemblies
  • Quantity: Convenient set of 10 washers

The Ultimate Foundation for Your Performance Engine

Investing in top-tier engine fasteners is a non-negotiable for any serious build. These Auto Racing Products insert washers are crucial for distributing the clamping force of your head bolts evenly across the cylinder head, mitigating stress points and ensuring the longevity of your head gasket. Their precision-machined design ensures a perfect, non-slip fit, contributing to more accurate torque readings and a more secure assembly. Trust GGCRACING to provide the foundational components that empower your engine to perform at its peak, offering peace of mind and extended component life.

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.

Achieve Uncompromising Engine Reliability with Heavy-Duty Insert Washers

Elevate your engine's performance and durability with Auto Racing Products Chromoly Black Oxide Insert Washers, specifically engineered for cylinder head bolts. These heavy-duty washers are a critical upgrade, ensuring consistent clamping load and preventing fastener issues that can compromise engine integrity. In high-performance and competition environments, maintaining a perfect seal and preventing head gasket failure is paramount, and these washers are designed to deliver precisely that.

Precision Engineering for Extreme Conditions

Crafted from high-grade chromoly steel, these insert washers offer unparalleled tensile strength and resistance to deformation, even under the most extreme engine conditions. This superior material choice ensures that your cylinder head bolts remain securely torqued, resisting the forces of thermal cycling and high combustion pressures. The washers are meticulously finished with a robust black oxide coating, providing a formidable shield against rust, corrosion, and chemical attack, ensuring long-term reliability and performance.

  • Material: High-grade Chromoly Steel for maximum strength
  • Finish: Durable Black Oxide for superior corrosion resistance
  • Inner Diameter (ID): Precision 0.438 inches (7/16")
  • Outer Diameter (OD): Robust 0.812 inches
  • Insert Outer Diameter: Secure 0.571 inches
  • Application: Critical head bolt washer for cylinder head assemblies
  • Quantity: Convenient set of 10 washers

The Ultimate Foundation for Your Performance Engine

Investing in top-tier engine fasteners is a non-negotiable for any serious build. These Auto Racing Products insert washers are crucial for distributing the clamping force of your head bolts evenly across the cylinder head, mitigating stress points and ensuring the longevity of your head gasket. Their precision-machined design ensures a perfect, non-slip fit, contributing to more accurate torque readings and a more secure assembly. Trust GGCRACING to provide the foundational components that empower your engine to perform at its peak, offering peace of mind and extended component life.

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