Dart Big M Engine Block - Bare Block - 4.250 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31213344 931027 High Energy Hydraulic lifters have

High Energy Hydraulic lifters have a patented constant orifice metering valve that precisely meters oil to the rocker arms

8 AN Bulkhead Inlet

Comes with black cloth cover

Works on body filler and fiberglass

COMP Cams Dial Indicator Extensions allow you to extend the reach of a dial indicator 5-6 inches

Dart Big M Engine Block - Bare Block - 4.250 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31213344 931027 High Energy Hydraulic lifters haveProduct Description: Engine Big M Bare Block 4. 250 in Bore 9. 800 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