ARP 86.5mm Ring Compressor – 86.5mm Piston Ring Compressor Tool for Engine Assembly (86.5mm)

This ring compressor is a purpose-built tool for compressing piston rings during engine assembly, engineered to handle 86.5mm piston diameters and streamline piston installation. Ideal for machinists and engine builders working on engines that specify 86.5mm pistons, the tool secures rings uniformly to prevent ring damage and ensure correct seating during installation.

Features:

• ARP brand compressor for 86.5mm pistons
• Designed for 86.5mm piston ring diameters
• Compresses rings for safe piston installation
• Intended for engine assembly and rebuilds