B/B Chev Big M2 Competition Engine Block, 4.500" Bore, 9.800" Deck, 4-Bolt Main Electrical Ford 289-351 Windsor & 351

Ford 289-351 Windsor & 351 Cleveland 157 Tooth 28oz External Balance Flexplate - SFI ApprovedSuits 10

These cylinder heads will work best with a primary operating range of 3000-7000 rpm's (This range is an average and will vary with engine displacement as well as component selection)

AF8005-6005

12-Point S/SUniversal 3/8" X

The cutting-edge Magnum Grip design

B/B Chev Big M2 Competition Engine Block, 4.500" Bore, 9.800" Deck, 4-Bolt Main Electrical Ford 289-351 Windsor & 351B B Chev Big M2 Competition Engine Block, 4. 500" Bore, 9. 800" Deck, 4 Bolt Main Caps DA31213444 31213444 Dart engineered the Big M to be the strongest, most reliable, and easiest to build big block on the market. The Dart Big M2 is designed from the ground up as a true racing engine block which can be used with standard off the shelf big block components. The Big M2 is cast from premium high strength Iron and beefed up in all the critical areas. A