ARP 91.5mm Tapered Ring Compressor – Piston Ring Installation Tool For 91.5mm Cylinders (91.5mm)

This ARP tapered ring compressor is a precision installation tool designed to compress piston rings for smooth, damage-free assembly into 91.5mm cylinders. Built for engine builders who need accurate ring alignment and consistent seating, the compressor's tapered profile eases ring entry and reduces the risk of ring breakage or scuffing during piston installation. Use with compatible 91.5mm pistons and cylinders for reliable, repeatable piston ring installation.

Features:

• Tapered compressor design for smooth ring seating
• 91.5mm nominal diameter for matching cylinders
• ARP branded precision tool for engine assembly
• Piston ring installation tool for 91.5mm cylinders