
This CP piston and ring set is specified for Mitsubishi 4B11 Evo X engines with an 86.5mm bore and +0.5mm oversize pistons, supplied as a matched piston-and-ring kit for rebuilds. It provides the components needed when replacing pistons and rings during an engine overhaul, ensuring correct fitment for the described bore and size. Use this set when restoring compression and proper piston-to-cylinder clearance in supported Evo X builds.
CP Piston & Ring Set for Mitsubishi 4B11 Evo X - Bore (86.5mm) - Size (+0.5mm) - Compression Ratio (