ARP 82.5mm Tapered Piston Ring Compressor - PN 901-8250

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Ensure a precise and damage-free engine assembly with the ARP 82.5mm tapered piston ring compressor. This professional-grade tool is engineered to compress piston rings evenly, all owing the piston assembly to slide into the cylinder bore without snagging or breaking a ring. It is an essential component for engine builders working with 82.5mm bore sizes who demand exact tolerances.CNC-machined from 6061-T6 aluminum billet, this compressor features a true-radius taper design that is significantly more effective than generic adjustable pliers-style compressors. The interior is hard-anodized for a smooth, low-friction finish and long-term durability in high-volume shop environments. Bore Size: 82.5mm Material: CNC-machined 6061-T6 aluminum billet Finish: Hard-anodized for wear resistance Design: True-radius taper for seamless ring transition Manufacturer Part Number: 901-8250 Show more