DART Little M Block Small Block Chevy 4.125 Bore / 350 Mains (Billet Main Caps)

DART Little M Block Small Block Chevy 4.125 Bore / 350 Mains (Billet Main Caps) 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 4.125 in Bore 9.025 Deck 350 Main  4-Bolt Main (Billet Main Caps) 2 Piece Seal  Iron Small Block Chevy Each