3.6L 24v - M97 The 3.6L 24v - M97 category gathers engine parts for the naturally aspirated Porsche M97 3.6-litre engine that powers the 997 Carrera. A single active reference so far: a forged piston kit from WOSSNER, selected for engine preparation on road and track. This page is distinct from the M96 3.6L (911 996) and the M97 3.8L (997 Carrera S), neighbouring categories in the Porsche range. For any fitment question, state the engine code and the reference you need.