Dart Big M Engine Block - Bare Block - 4.600 in Bore - 10.200 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31223654 Water Pump Gasket Kit For Marine Use Distributor Is

For Marine Use Distributor Is Bolted To Alum

The billet metering blocks feature improved durability over cast blocks

Installation tool has a 22mm HEX size

50-inch Torque Converter Pattern

Dart Big M Engine Block - Bare Block - 4.600 in Bore - 10.200 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31223654 Water Pump Gasket Kit For Marine Use Distributor IsProduct Description: Engine Big M Bare Block 4. 600 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