ARP Piston Ring Compressor Tool

88.5mm Piston Ring Compressor by ARP

Part #: 901-8850

Overview

The ARP 88.5mm Piston Ring Compressor Tool is a precision-engineered accessory designed to simplify the process of installing pistons into engine cylinders. Crafted from high-quality materials, this tool is ideal for automotive enthusiasts, professional rebuilders, and performance tuners who demand durability and accuracy during engine assembly. Whether you're rebuilding a stock engine or assembling a high-performance powerplant, this ring compressor ensures a smooth, damage-free installation, helping you save time and maintain engine integrity.

Designed with both the professional and the DIY mechanic in mind, the ARP ring compressor offers a reliable solution for compressing piston rings evenly and securely. Its robust construction and thoughtful design make it suitable for use in various engine rebuild scenarios, from routine maintenance to high-performance upgrades. With this tool, you'll get consistent results, reducing the risk of ring damage or piston scoring during installation.

Key Features

The ARP 88.5mm Piston Ring Compressor Tool boasts several features that set it apart from conventional designs:

• Manufactured from high-grade 6061 T-6 billet aluminum, ensuring exceptional strength and longevity even under demanding workshop conditions.
• Type-3 anodized finish provides corrosion resistance and a sleek, professional appearance, extending the tool's lifespan.
• True radius design offers superior performance compared to traditional tapered compressors, providing a more uniform compression of piston rings for easier installation.
• Relieved for wire O-rings on the bottom, accommodating various piston designs and ensuring a snug fit without damaging the rings or piston surface.
• Engraved bore size markings in 3/4" high numbers allow for quick and easy identification, streamlining your assembly process.
• Precisely machined for a perfect fit on 88.5mm pistons, compatible with a wide range of engine sizes and configurations.
• Lightweight yet durable construction makes handling and positioning effortless, reducing fatigue during engine rebuilds.
• Designed for repeated use with consistent performance, making it a valuable addition to any professional or home garage toolkit.
• Easy to clean and maintain, ensuring long-term reliability and performance.

Construction & Design

The ARP 88.5mm Piston Ring Compressor Tool is meticulously machined from 6061 T-6 billet aluminum, a material renowned for its strength-to-weight ratio and durability. The Type-3 anodized coating not only enhances corrosion resistance but also provides a smooth surface that minimizes friction during piston installation. Its true radius design ensures even pressure distribution across the piston rings, reducing the risk of ring deformation or damage.

The tool's relieved bottom accommodates wire O-rings, making it versatile for various piston designs. The prominent engraving of the bore size in high-visibility characters allows for quick identification, saving time during assembly. Its compact, lightweight form factor makes it easy to handle and maneuver within tight engine bays, ensuring precise placement and compression of piston rings without excessive effort.

Installation & Fitment

The ARP 88.5mm Piston Ring Compressor Tool is designed for straightforward, bolt-on use. Simply slide the compressor over the piston and rings, ensuring the true radius contacts the rings evenly. The tool's precise bore size ensures a snug fit on pistons of 88.5mm diameter, making installation quick and effortless. No additional modifications, cutting, or special tools are required. Its durable construction allows for repeated use across multiple rebuilds without loss of performance or accuracy.

• Compatible with pistons measuring 88.5mm in diameter.
• Designed for use in engine rebuilds, performance upgrades, and routine maintenance.
• Suitable for use with various engine types that utilize 88.5mm pistons.

What's Included

• ARP 88.5mm Piston Ring Compressor Tool
• Instruction manual for proper usage and care

Ideal For

• Professional engine rebuilders
• Automotive enthusiasts performing DIY engine assembly
• Performance tuners upgrading or restoring engines
• Rebuilding engines with pistons of 88.5mm diameter