Crankshafts for Mitsubishi engines

Optima produce OEM quality forging crankshafts for Mitsubishi - MHI engines. 

S12R: 37720-10011, 3772010011, 3772020013, 37720-20013, 37720-10012, 3772010012, 37720-10013, 3772010013, 37720-10V96, 3772010V96, 37720-101V3, 37720101V3

S16R: 37820-10011, 3782010011, 37820-20010, 3782020010, 37820-20013, 3782020013, 37820-30011, 3782030011

S6R: 37520-10010, 3752010010, 37520-30010, 3752030010, 37520-20011, 3752020011, 37520-30V10, 3752030V10

S6R2: 37520-15012, 3752015012, 37520-25013, 3752025013, 37520-25011, 3752025011, 37520-15010, 3752015010, 37520-25010, 3752025010, 37520-25100, 3752025100, 37520-25L11, 3752025L11, 37520-25V12, 3752025V12

S6A2: 32520-10020, 3252010020, 32520-20010, 3252020010

S6A3: 35A20-10010, 35A2010010, 35A20-20010, 35A2020010, 35A20-30010, 35A2030010

S12A: 32620-31010, 3262031010

S12A2: 32620-30010, 3262030010, 32620-20010, 3262020010, 32620-50011, 3262050011

S6B: 36220-20020, 3622020020

S6B3: 34A20-10020, 34A2010020, 34A20-20031, 34A2020031

S12H: 35B20-00011, 35B2000011