ARP Ring Compressor (901-7950)

The ARP Ring Compressor (901-7950) is a specialty kit designed for precise installation of piston rings. Crafted from CNC-machined 6061-T6 billet aluminum, these tapered ring compressors feature a true radius for each bore diameter, ensuring a perfect fit and reducing installation stress. The relieved design accommodates wire O-rings on the bottom, enhancing compatibility with various piston configurations. 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 high-quality tool offers superior control and accuracy during engine assembly, minimizing the risk of ring damage and ensuring optimal sealing performance.

Suitable for use with engines requiring bore sizes around 79.5 mm, this ring compressor kit is ideal for professional engine builders and enthusiasts performing rebuilds or upgrades. It is compatible with a range of piston and ring sizes that match the bore diameter specifications. The kit is a direct-fit solution for installing piston rings on engines where precise compression is critical, such as high-performance or racing applications. Designed for ease of use, the compressor can be easily installed and removed without damaging the rings or pistons, making it suitable for both street and track engine assembly tasks.