ARP Ring Compressor

Universal Fitment

Part #: 901-8550

Overview

The ARP Ring Compressor (901-8550) is a specialized tool designed to assist in the installation of piston rings during engine rebuilds or assembly. Crafted for professional mechanics and automotive enthusiasts, this kit ensures precise, uniform compression of piston rings, facilitating smooth and accurate piston installation into the cylinder bore. Made from high-quality materials, these ring compressors are engineered to withstand the rigors of engine assembly, providing durability and consistent performance. The tapered design helps achieve a snug fit across various bore sizes, reducing the risk of ring damage or misalignment during installation. Whether you're rebuilding a performance engine or performing routine maintenance, this tool offers reliability and ease of use, supporting efficient engine assembly processes.

Key Features

This ARP ring compressor kit combines precision engineering with durable materials to deliver a reliable tool for engine builders. Key features include:

• Constructed from CNC-machined 6061-T6 billet aluminum for strength and lightweight handling
• True radius design for each bore diameter ensures a perfect fit and reduces installation errors
• Relieved to accommodate wire O-rings on the bottom, enhancing compatibility with various piston designs
• Type 3 anodizing provides long-lasting corrosion resistance and surface durability
• Clear, prominent engraving of bore sizes for quick identification during assembly
• Designed to provide uniform compression, minimizing the risk of ring deformation or damage
• Easy to handle and install, supporting efficient engine assembly workflows

Construction & Design

The ARP ring compressor features CNC-machined billet aluminum construction, ensuring precise dimensions and a high-quality finish. The true-radius design is tailored for each bore size, offering superior fitment compared to conventional tapered compressors. Anodized with Type 3 coating, the tool resists corrosion and maintains its appearance over time. The engraved bore size markings facilitate quick identification, streamlining the assembly process.

Installation & Fitment

Designed for straightforward use, this kit allows for easy installation of piston rings into engine cylinders. The tapered design helps achieve a snug fit around the piston, ensuring even compression and reducing the risk of ring damage. Proper fitment should be verified against the bore diameter and part specifications to ensure compatibility with your engine components.

Ideal For

This product is ideal for professional engine builders, automotive repair shops, and serious DIY enthusiasts engaged in engine rebuilding or performance upgrades. Its durable construction and precise design make it suitable for a wide range of piston sizes and engine types, supporting efficient and accurate assembly.