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3.8L 24v - M97

3.8L 24v - M97 

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3.8L 24v - M97
This category holds the Wossner K9474DA forged piston kit for the 3.8L 24v M97 flat-six of the Porsche 911 (997), the largest displacement of the atmospheric M97. Rated for engine codes M97/01 and M97/01S (X51 Powerkit), it fits the Carrera S, Carrera 4S and Targa 4S. Bore from 99 to 100mm depending on size, compression ratio 11.8:1 to 12:1, 22mm gudgeon pin. A single active reference on this page covers every 997 3.8L M97 version, from base to Powerkit.