Ford Racing 351 Aluminum Block 9.5-inch DeckThese 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