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Mahle MS piston set for Porsche 997 3.8L applications (99 mm bore). This six-piece set suits engines with a 99 mm bore, 82.8 mm stroke and 141.99 mm rod center-to-center, using a 22 mm wrist pin. The pistons have a -13.2 cc crown volume and an 11.8:1 compression ratio to restore correct chamber volume and compression for proper fitment in the six-cylinder engine.
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
