DART Big M Block Big Block Chevy 4.500 Bore / 9.8 Deck With Billet Main Caps

DART Big M Block Big Block Chevy 4.500 Bore / 9.8 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 4.500 Max Stroke 598 Max Cubic Inch 9.800 Deck (Short Deck) 4-Bolt Main (Billet Main Caps) 2 Piece Seal Iron (Weighs 250 Pounds) Big Block Chevy  Each