DART Little M Block Small Block Chevy 4.000 Bore / 350 Mains (Lightened Block)

DART Little M Block Small Block Chevy 4.000 Bore / 350 Mains (Lightened Block) The Dart Little M is designed from the ground up as a true racing engine block which can be used with standard off the shelf small block components. Dart Little M SBC Block Bare Block 4.000 in Bore 9.025 Deck 350 Main 4-Bolt Main  2 Piece Seal  Iron Small Block Chevy  Each