Dart Big M Cast Aluminum Engine Block, Big Block Chevy

Commercial Foreward Supply of these Dart Big M aluminum blocks has been virtually non-existent since the start of the pandemic. Dart now expects to begin supplying limited quantities in Q1 2023.  We have placed our order for 9.800" deck, standard cam location and 4.560" or less bore diameter blocks for our 555ci builds and general sales.  If you want a block or build, call us now and we will add your block onto our order.  Dart advises a January 1st price increase but said they will likely hold pricing for orders already placed. About the Blocks Designed to be the strongest, most durable and easiest to build aluminum big block available. The Dart Big M aluminum block is the ultimate choice for competition engines. Based on the Chevrolet big block V8 design, these aluminum blocks feature extra strengthening in critical areas, increased displacement capacity, true priority main oiling and precision CNC machining.  All blocks have billet steel main caps are HIP treated. Conventional confi