DART Big M Block Big Block Chevy 4.500 Bore / 10.2 Deck With Billet Main Caps

DART Big M Block Big Block Chevy 4.500 Bore / 10.2 Deck With Billet Main Caps ,Dart has engineered the Big M sportsman block to be the strongest, most reliable, and easiest to build big block on the market.  Dart Big M BBC Block Bare Block  4.500 in Bore 4.625 Max Bore 4.750 Max Stroke 632 Max Cubic Inch 10.200 Deck (Tall Deck) 4-Bolt Main (Billet Main Caps) 2 Piece Seal  Iron (Weighs 250 Pounds) Big Block Chevy  Each