ARP Ring Compressor (901-7800)

The ARP Ring Compressor (901-7800) is a specialized tool designed to facilitate the installation of piston rings in engine rebuilds. Crafted from CNC-machined 6061-T6 billet aluminum, this compressor features a true radius for each bore diameter, ensuring precise and uniform compression. 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 prominent engraving of bore sizes in high-visibility numbers allows for quick identification. This tool offers superior accuracy and ease of use compared to conventional tapered ring compressors, making it an essential component for professional and enthusiast engine builders.

Designed to fit bore sizes around 78.0 mm, this ring compressor is ideal for use during engine assembly and rebuilds requiring precise ring installation. Suitable for a range of performance applications, it ensures a secure fit and reduces the risk of ring damage during installation. The tool is compatible with various piston designs and is intended for use in high-performance or stock engine rebuilds. Its durable construction and specialized features make it a reliable choice for both street and race engines. The kit includes the necessary components to streamline the piston ring installation process, providing a professional-grade solution for engine builders.