ARP Ring Compressor (901-9350)

The ARP Ring Compressor (901-9350) is a specialized kit designed to facilitate the installation of piston rings in high-performance engine builds. Crafted from CNC-machined 6061-T6 billet aluminum, these tapered ring compressors feature a true radius for each bore diameter, ensuring precise and even compression during installation. The relieved design accommodates wire O-rings on the bottom, enhancing compatibility with various piston configurations. With Type 3 anodizing, these compressors offer exceptional durability and corrosion resistance, while the prominent engraving of bore sizes in large, easy-to-read numbers simplifies identification. The true-radius design provides a significant advantage over conventional tapered devices, promoting smoother, more accurate ring seating and reducing installation errors.

This ring compressor kit is suitable for use with engines requiring bore sizes around 93.5 mm, making it ideal for a range of performance applications. It is compatible with various piston and ring configurations, especially where precise bore sizing is critical. Designed for professional engine builders and enthusiasts, these compressors are a direct-fit tool for engine assembly and rebuilds, ensuring a secure fit and proper ring seating. The kit includes the necessary components for efficient installation, and its durable construction makes it suitable for repeated use in demanding environments. Whether for street, track, or racing engines, this ARP ring compressor enhances installation accuracy and engine reliability.