Dart Big M Bare Block - 4.500" Bore - 10.200 Deck - 4-Bolt Main - 2 Piece Seal - Iron - Big Block Chevy RJS Racing Equipment blown radiator hose)

blown radiator hose)

Manufactured from heavy-duty 3/16-inch laser cut

Adapter fittings sold separately

Billet aluminum fittings are anodized bright dip black for corrosion protection

Dart Big M Bare Block - 4.500" Bore - 10.200 Deck - 4-Bolt Main - 2 Piece Seal - Iron - Big Block Chevy RJS Racing Equipment blown radiator hose)Product Description: Engine Big M Bare Block 4. 500 in Bore 10. 200 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