Dart Big M Engine Block - 4.500" Bore - 10.200 Deck - 4-Bolt Main - 2 Piece Seal - Iron - BB Chevy RG10004M External momentary switch for control

External momentary switch for control of brightness and peak recall

When using screw-in studs on a factory cylinder head it is necessary to machine down the stud boss equal to the thickness of the new stud's jam nut plus the guide plate thickness

575 in Oval Port

and Honeycomb Green

Dart Big M Engine Block - 4.500" Bore - 10.200 Deck - 4-Bolt Main - 2 Piece Seal - Iron - BB Chevy RG10004M External momentary switch for controlProduct 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