ARP Ring Compressor

Universal Fitment

Part #: 901-8300

Overview

The ARP Ring Compressor (901-8300) is a specialized tool designed to assist in the installation of piston rings during engine assembly. Crafted from CNC-machined 6061-T6 billet aluminum, this kit offers durability and precision for professional and enthusiast engine builders alike. Its tapered design ensures a snug fit around various bore sizes, making it an essential accessory for achieving proper ring seating and ensuring optimal engine performance. Whether you're rebuilding an engine or performing routine maintenance, this ring compressor helps streamline the process, reducing installation time and minimizing the risk of damaging piston rings or cylinders. Its lightweight construction and high-quality materials make it a reliable choice for those seeking consistent, professional results.

Key Features

This ARP ring compressor kit combines precision engineering with practical design to support your engine assembly needs. Key features include:

• Manufactured from CNC-machined 6061-T6 billet aluminum for strength and longevity
• True-radius design for each bore diameter, providing a superior fit compared to conventional tapered compressors
• Relieved to accommodate wire O-rings on the bottom, ensuring compatibility with various piston designs
• Type 3 anodizing for corrosion resistance and long-lasting durability
• Clear, 3/4-inch high engraved bore size markings for quick identification during installation
• Designed to facilitate smooth, damage-free piston ring installation
• Lightweight and easy to handle, reducing user fatigue during assembly

Construction & Design

The ARP Ring Compressor features a CNC-machined aluminum tube crafted from 6061-T6 billet, known for its excellent strength-to-weight ratio. The true-radius design ensures a precise fit for each bore size, helping to evenly compress piston rings without distortion. The reliefs for wire O-rings are carefully incorporated to maintain compatibility with a variety of piston configurations. The Type 3 anodized finish not only enhances corrosion resistance but also provides a sleek, professional appearance, making this tool both functional and durable for repeated use.

Installation & Fitment

This ring compressor is designed for easy use during engine assembly. Simply select the appropriate bore size, align it with the piston, and gently compress the rings into the cylinder bore. The engraved markings assist in quick identification, ensuring proper fitment for each bore size. Its lightweight construction allows for comfortable handling, and the precise machining guarantees a secure, damage-free installation process.

Ideal For

This ARP Ring Compressor is ideal for professional engine builders, automotive enthusiasts, and anyone performing engine rebuilds or top-end repairs. Its high-quality materials and precise design make it suitable for a wide range of piston sizes, supporting accurate and efficient engine assembly.