Chrysler V-8 Marine Engines manual., Page 13Get this manual
T crankshaft incorporates main bearing journals 23'4 inch di drop forged and made from high cartxin steel(Hardenc-d and shot pconi-'d the Golden Lion 325)T crankshaft countenveightc+d and is balanced atically and dynanically close limitsThe main bearings are the pn'rision type steel backed babbitt removable shell (Premium trin-ictal bearing shells the aluminum alloy pistons are ti automatically compensate for thermal grams on all Models oxcepi the M-42 aluminum pistons which are precision plated on all Models except M-426 the connecting rods forced ma The crank end is fitlwl wit11 prwisio bearing shellsT weight distrihu