Dart Big M Bare Block - 4.500" Bore - 10.200 Deck - 4-Bolt Main - 2 Piece Seal - Iron - Big Block Chevy 20050010 High Pressure spring (included) supports

High Pressure spring (included) supports 75-120 PSI base fuel pressure

Pit Stop USA offers Zamp Z-2 Series Shield - Light Smoke HASZ2LT at low everyday prices

locks (see drawing)

065 in Tube Wall

Dart Big M Bare Block - 4.500" Bore - 10.200 Deck - 4-Bolt Main - 2 Piece Seal - Iron - Big Block Chevy 20050010 High Pressure spring (included) supportsProduct 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