Dart Big M Engine Block - Bare Block - 4.250 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31213344 Helmet Air System Blower Mount Panel includes oil pressure

Panel includes oil pressure

3 Rev Limiters - Choose between 4 options for each: Fuel Only

22 Tooth GM Speedo Drive Gear

These distributors have a low-profile cap assembly to clear busy intake set-ups and are topped with MSD's new Rynite-molded Ford-style cap and wire retainer

Dart Big M Engine Block - Bare Block - 4.250 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31213344 Helmet Air System Blower Mount Panel includes oil pressureProduct Description: Engine Big M Bare Block 4. 250 in Bore 9. 800 Deck 4 Bolt Main 2 Piece Seal Iron Big Block Chevy Sold Individually Since 1981, Dart Machinery has become the acknowledged leader in producing race winning components. Dart Machinery aluminum and cast iron engine blocks are designed to meet the specialized needs of racers and performance enthusiasts. Dart components are developed in house, manufactured on Dartas own CNC machining