ARP Ring Compressor (901-8650)

The ARP Ring Compressor (901-8650) is a specialized tool designed to facilitate the installation of piston rings in engine cylinders. Crafted from CNC-machined 6061-T6 billet aluminum, this ring compressor features a true radius for each bore diameter, ensuring precise and uniform compression during installation. Its relieved design accommodates wire O-rings on the bottom, enhancing compatibility with various piston configurations. The Type 3 anodizing provides a durable, long-lasting finish, while the prominently engraved bore size markings allow for quick identification. This high-quality tool offers superior performance compared to conventional tapered compressors, promoting accurate and damage-free ring installation.

Designed for use with bore sizes around 86.5 mm, this ring compressor is ideal for engine rebuilds and performance applications requiring precise piston assembly. It is compatible with a range of engine types that utilize similar bore diameters, making it suitable for various makes and models. The tool is a direct-fit accessory for professional mechanics and enthusiasts performing engine assembly or maintenance. Its durable construction and detailed design ensure reliable operation, making it a valuable addition to any engine building or repair kit.