ARP Ring Compressor (901-9550)

The ARP Ring Compressor (901-9550) is a specialized tool designed to facilitate the installation of piston rings in high-performance engine builds. Crafted from CNC-machined 6061-T6 billet aluminum, this tapered ring 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 process provides increased durability and corrosion resistance, while the prominent engraving of bore sizes in large numbers allows for quick identification during assembly. This tool offers superior performance over conventional tapered compressors by providing a more accurate fit, reducing the risk of ring damage, and ensuring proper seating for optimal engine performance.

Designed for use with engines requiring bore sizes around 95.5 mm, this ring compressor is ideal for high-performance, racing, or rebuild applications. It is compatible with a range of piston sizes and is suitable for use in both professional and enthusiast engine assembly. The kit is a direct-fit tool that simplifies the installation process, ensuring consistent compression and proper ring seating. Its precise construction and attention to detail make it a reliable choice for engine builders seeking durability and accuracy. The ARP Ring Compressor (901-9550) is an essential component for achieving optimal engine performance and longevity during assembly.