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Mahle MS piston set for Porsche 997 3.8L applications. This six-piston kit suits engines using a 99 mm bore, 82.8 mm stroke and 141.99 mm rod with a 22 mm wrist pin. The -13.2 cc crown volume and 11.8:1 compression ratio match the intended combustion chamber size to ensure correct installation, combustion characteristics, and dependable operation in the factory six-cylinder layout.
Mahle MS Piston Set Por 997 3.8L 99mm Bore 82.8mm Strk 141.99mm Rod 22mm Pin -13.2cc 11.8CR Set of 6
