ARP Ring Compressor (901-7650)

The ARP Ring Compressor (901-7650) 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 installation. The relieved design accommodates wire O-rings at the bottom, while Type 3 anodizing enhances durability and corrosion resistance. Prominently engraved bore sizes in high-visibility numbers facilitate quick identification, making it a reliable choice for professional and enthusiast engine builders. Its construction and features contribute to smoother, more accurate piston ring installation, reducing the risk of damage and ensuring optimal engine performance.

This ring compressor kit is suitable for various engine applications requiring bore sizes around 76.5 mm. It is ideal for use in rebuilds, performance upgrades, or routine maintenance on engines with bore diameters matching the specified size. The tool provides a secure, uniform compression of piston rings, simplifying installation in tight or hard-to-reach spaces. Designed for direct use with compatible pistons and cylinders, it offers a precise fit for engines requiring high-quality, durable components. Whether for street, track, or professional engine assembly, this compressor ensures a reliable, professional-grade installation process.