Dart Big M Bare Block - 4.500" Bore - 10.200 Deck - 4-Bolt Main - 2 Piece Seal - Iron - Big Block Chevy R060004YXL OEM frame cross member must

OEM frame cross member must be modified

1965 models not equipped with Pony or GT interior option will require 5 gauge OEM trim bezel from that option pack (not included) to utilize this adapter plate

Plymouth Torqueflite A727 and A904 automatic transmissions

1969-1979 Mercury Cougar

Popular stock position front shock on 1970-'81 Camaro/Firebird

Dart Big M Bare Block - 4.500" Bore - 10.200 Deck - 4-Bolt Main - 2 Piece Seal - Iron - Big Block Chevy R060004YXL OEM frame cross member mustProduct 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