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The CP piston and ring set is specified for Mitsubishi 4B11 engines used in Evo X applications with an 87mm bore and +1.0mm oversize. Supplied as a complete four-cylinder kit, it includes matched pistons and rings intended for rebuilds or bore-up work on engines requiring this size. The set is intended for installation following proper machine work, ring fitting, and builder-recommended clearances to ensure reliable sealing and service life.
CP Piston & Ring Set for Mitsubishi 4B11 Evo X - Bore (87mm) - Size (+1.0mm) - Compression Ratio (9.
