555ci BBC Dart Big M Aluminum Shortblock

Big Block Chevy has long been synonymous with Big Power.  These engines are a proven, straightforward way to drop in big power. Borowski Race Engines (BRE) and Dart Machinery's history with BBC race engines goes back to about Day 1 of our common history in the late 60's.  BRE now offers a range of 555 cubic inch short blocks using Dart Big M and Sportsman iron blocks to cover a wide range of applications using parts held in our inventory so we can deliver them to you promptly. One part has been elusive for a long time - the Dart Big M aluminum block.  We have not been willing to take any orders for these blocks because the supply was so uncertain.  Dart now expects to be able to resume supply in Q1 2023 and our Purchase Order is in.  If you want one of these blocks in any format (bare block, short block, long block, complete engine), you need to call now as they will sell out quickly.  Our order is for blocks with standard deck height, standard cam location and bore diameter less than