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Large Bore Pistons

Koncentra Pistons designs, manufactures and markets large bore pistons for leading manufacturers of medium speed diesel and gas engines.

Our product range of large bore gas and diesel engine pistons is in bore size 200–500 mm. Composite piston design consists of nodular cast iron skirt and quenched and tempered or nitrided steel crown. Koncentra Pistons has a fully machined piston skirt, featuring outstanding fatigue resistance.

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Koncentra Pistons Oy

Tehtaankatu 1-13

68600 Pietarsaari