These Ford Racing 351 aluminum wet or dry sump race engine blocks feature cast iron sleeves, an all - aluminum water jacket, and oil galley plugs. They are manufactured from 356 - T7 aluminum and feature siamesed cylinder bores, a 9.400 in. deck height, 4 - bolt main journals with steel billet main caps, and 2.75 in. diameter main journals. At just 124 lbs., the Ford Racing 351 aluminum wet or dry sump engine blocks save a tremendous amount of weight over a standard cast iron block. The blocks will accept a standard wet or dry sump oiling system. Build a reliable, durable, high - horsepower engine with one of these Ford Racing 351 aluminum wet or dry sump engine blocks.