ARP Special Purpose Washers

200-8688 - 3/8" ID x 7/8" OD Chromoly Special Purpose Washers

Part #: 200-8688

Overview

The ARP Special Purpose Washers are high-quality, precision-machined components designed to meet the demanding needs of automotive enthusiasts and professional mechanics. Crafted from premium chromoly steel and finished with a durable black oxide coating, these washers provide reliable performance in a variety of applications. Whether you're assembling high-performance engine components, securing critical fasteners, or building custom setups, these washers are an essential addition to your toolkit.

Designed for versatility, the ARP Special Purpose Washers are suitable for use on virtually any application requiring a high-strength, reliable washer. Their hardened construction ensures they can withstand extreme pressures and temperatures, making them ideal for both street and racing environments. These washers help distribute load evenly, prevent fastener loosening, and protect mating surfaces, contributing to the overall integrity and longevity of your assembly.

Key Features

The ARP Special Purpose Washers offer several key features that make them stand out:

• Premium Material: Made from high-grade chromoly steel, these washers provide exceptional strength and durability under demanding conditions.
• Hardened Construction: The hardened chromoly ensures resistance to deformation and wear, maintaining their shape and function over time.
• Black Oxide Finish: The black oxide coating not only enhances corrosion resistance but also provides a sleek, professional appearance.
• Precision Machined: Parallel-ground for exact dimensions and a smooth, flat surface, ensuring proper load distribution and fitment.
• Versatile Sizes: Available in a variety of sizes and thicknesses, these washers are suitable for a wide range of applications, including connecting rod assemblies, bolt and nut setups, and custom projects.
• Corrosion Resistance: The black oxide finish helps protect against rust and corrosion, extending the service life of the washers.
• Easy to Use: Designed to fit standard 3/8" fasteners, these washers are straightforward to install and remove as needed.

Construction & Design

The ARP Special Purpose Washers are meticulously manufactured from high-quality chromoly steel, known for its exceptional strength-to-weight ratio and resilience. The washers are precision-machined to ensure perfect parallelism and flatness, which is critical for maintaining proper load distribution and preventing fastener fatigue. The black oxide finish not only provides a sleek appearance but also adds a layer of corrosion resistance, making these washers suitable for both indoor and outdoor applications.

The design emphasizes durability and reliability, with the hardened chromoly material resisting deformation even under high torque loads. Their versatile size and thickness options allow for use in various assembly scenarios, from engine internals to chassis components. These washers are an excellent choice for builders seeking high-performance, dependable hardware that can withstand the rigors of motorsport or daily driving.

Performance & Use

While these washers do not directly increase horsepower or torque, their role in securing fasteners and distributing load is vital for maintaining the integrity of your engine and chassis assemblies. Proper use of high-quality washers like these can prevent fastener loosening, reduce the risk of component failure, and contribute to consistent performance over time. Their hardened chromoly construction ensures they remain reliable even in high-stress environments, making them suitable for performance builds, off-road applications, and professional racing setups.

Installation & Fitment

The ARP Special Purpose Washers are designed for easy installation with standard 3/8" fasteners. Their precise dimensions ensure a snug fit, providing optimal load distribution without the need for special tools or modifications. No cutting, drilling, or additional adjustments are required to incorporate these washers into your assembly. Simply place them between the fastener head and the mating surface, tighten to the manufacturer’s specifications, and enjoy peace of mind knowing your components are securely fastened.

• Compatible with a wide range of automotive applications requiring 3/8" washers
• No special tools or modifications needed for installation
• Suitable for use in high-stress engine and chassis assemblies

What's Included

• One set of ARP Special Purpose Washers, 3/8" ID x 7/8" OD, made from chromoly steel
• Black oxide finish for corrosion resistance and durability
• Detailed installation instructions (if applicable)

Ideal For

• Engine builders and performance enthusiasts
• Professional mechanics and DIY restorers
• High-stress automotive applications requiring reliable load distribution
• Custom fabrication and racing projects

Emissions Note

This product is a high-quality hardware component and does not impact vehicle emissions. It is suitable for use in all vehicles and complies with standard manufacturing practices.