Dart Big M2 Sportsman Iron BB Chev Engine Block with 4-Bolt Iron Cap DA31223344 Steering Columns & Mounts 12-Point Head Black Oxide3/8" UNC

12-Point Head Black Oxide3/8" UNC x 4

030" Thick

Compatible with hundreds of different Chevy and Ford applications

AR627-3000

Dart Big M2 Sportsman Iron BB Chev Engine Block with 4-Bolt Iron Cap DA31223344 Steering Columns & Mounts 12-Point Head Black Oxide3/8" UNCDart Big M2 Sportsman Iron BB Chev Engine Block with 4 Bolt Iron Cap4. 250" Bore, 9. 8" Deck, STD Mains DA31223344 31223344 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