This CP single piston is specified for Mitsubishi Evo VIII and Evo IX applications with an 85mm bore and a 10.5:1 compression ratio; the listing identifies it as a dome-top piston sold individually. It serves as a replacement or rebuild component for those engines and should be used with matching rings, pins, and clearances per engine builder specifications. Follow proper machine and assembly practices.
CP Piston Mitsubishi Evo VIII/Evo IX 85mm Bore 10.5:1 CR Dome Piston - SINGLE