CLOCKWISE ROTATION Gear Reduction PMGR High Torque Delco Style Starter. This Starter Will Replace 10059 & 10059Sp TOP Mount Applications. Including OMC#980821;981289;982202, Crusader #42090;RA122008 Also fits Bottom Mount 470Mercruiser with older Prestolite Starters Prestolite #MHA7016 Mercruiser OE# 50-97499R4 & 50-72550A1;A2