ARP Ring Compressor 91.5mm Tapered

ARP Ring Compressor 91.5mm Tapered ARP precision ring compressor, 91.5mm tapered design, engineered for fast, safe piston installation in engine rebuilds and performance builds. Built to ARP's exacting standards, this tool ensures concentric compression of piston rings for damage-free insertion into the cylinder bore. Size: 91.5mm — fits pistons with 91.5 mm diameter Tapered design: Smooth lead-in for easier ring alignment and reduced ring snagging Durable construction: High-quality steel for long service life and consistent performance Precision fit: Maintains ring concentricity to protect rings and bores during assembly Ideal for: Engine builders, performance shops, and DIY enthusiasts working on small-block and custom engines This ARP ring compressor speeds up piston installation while minimizing the risk of ring damage. Compact and easy to use, it’s a must-have tool for professional builders who demand reliable, repeatable results.