The Mahle MS piston ring set for GM Duramax with a 4.095" bore is a drop-in, three-ring steel pack sized 1/16", 2.0mm and 3.0mm for eight-cylinder diesel engines. Intended for engine rebuilds or overhauls, these rings provide compression sealing and oil control as a direct replacement where this bore and ring configuration is specified, using steel construction for diesel duty.
Mahle MS GM Duramax 4.095in 1/16in 2.0mm 3.0mm Drop In Rings