Parts list: № Number Qty Name Options 1 RE51928 1 Short Block Assembly (SUB FOR RE25577)(MARKED R72974, R80726OR R92877) Next page: ST590995 9900 Engine Cylinder Block and Main Bearing Caps ST590996 4609 Cylinder Block ST590997 ENGINE OVERHAUL KIT ST591000 ENGINE FRONT PLATE ST590998 SHORT BLOCK