ARP Ring Compressor (901-9050)

The ARP Ring Compressor (901-9050) is a specialized tool designed to assist in installing piston rings with precision and ease. Crafted from CNC-machined 6061-T6 billet aluminum, this tapered piston ring compressor features a true radius for each bore diameter, ensuring a perfect fit during assembly. The reliefs accommodate wire O-rings at the bottom, enhancing compatibility with various piston designs. Type 3 anodizing provides durability and corrosion resistance, while the prominent engraving of bore sizes in high-visibility numbers allows for quick identification. This compressor offers a high-quality, lightweight solution that improves installation accuracy and reduces the risk of ring damage.

Designed for use with engines requiring a 90.5 mm bore size, the ARP tapered ring compressor is ideal for professional rebuilds and performance applications. Its true-radius design surpasses conventional tapered tools, providing a superior fit for specific bore diameters. Suitable for use in both street and race engines, this kit ensures a secure, uniform compression of piston rings during installation. The kit includes the necessary components for a precise fit, making it a reliable choice for engine builders seeking durability and ease of use. Compatible with a range of piston sizes, it is an essential tool for maintaining optimal engine performance.