Mahle MS piston set for Porsche 997 3.8L applications with a 100 mm bore. This six-piece kit matches a 100 mm bore, 82.8 mm stroke and 141.99 mm rod center-to-center with a 22 mm wrist pin. The -13.2 cc crown volume and 12.0:1 compression ratio restore the factory combustion chamber and compression characteristics for correct fitment and dependable operation in the six-cylinder engine.
Mahle MS Piston Set Por 997 3.8L 100mm Bore 82.8mm Stk 141.99mm Rod 22mm Pin -13.2cc 12.0CR Set of 6