Dart Big M Engine Block - Bare Block - 4.500 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31223444 Disc Brake Hat Bolt Confidently install your new rocker

Confidently install your new rocker arms and experience the difference

1923-1949 STREET ROD CID 307

Performer RPM E-Boss 302

Gasket Radiator Fluid Reservoir / Recovery Tank - Polished Aluminum

1965-2000 Chevy 396-454 Big Block Cast Aluminum Tall Valve Cover

Dart Big M Engine Block - Bare Block - 4.500 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31223444 Disc Brake Hat Bolt Confidently install your new rockerProduct Description: Engine Big M Bare Block 4. 500 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