Good short block for a Navistar Prostar model truck. Engine updated to anti polish sleeves and pistons by a reputable dealer shop, has about 100,000 on the inframe update. Head cracked because of defective injector. Head was removed and owner decided not to repair. If not needed, going to the metal scrap. Price negotiable to the person in need of such an engine. Pictures won't load at time of listing. 785-443-3348 Please no scammers.