Selling a fresh, professionally machined and assembled Ford 351 Modified (351M) V8 long block engine. Built completely on Ford’s rugged, ultra-durable 335-series heavy-duty block architecture (shares the tall 10.3" deck layout and the 429/460 big-block bellhousing pattern). Perfect plug-and-play build platform for a classic Ford F-100, F-150, F-250 Highboy, or full-size Bronco restoration project.