Dart Mopar Gen III Hemi Engine Block - 4.090 in Bore - 9.250 Deck - 6.1L HYPLXLG11SASM61 Mirrored shields block even more

Mirrored shields block even more sunlight than tinted shields

Both items are constructed of Seamless DOM mild steel tubing

The precision die-cast aluminum Hinge Casting provides maximum strength without the excess weight of steel

Silverado 3500 HD 2010-2007

Dart Mopar Gen III Hemi Engine Block - 4.090 in Bore - 9.250 Deck - 6.1L HYPLXLG11SASM61 Mirrored shields block even moreProduct Description: Engine Bare Block 4. 090 in Bore 9. 250 Deck 4 Bolt Mains 1 Piece Seal Iron 6. 1L Gen III Hemi 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 centers, and tested on