Dart Big M Engine Block - Bare Block - 4.500 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31213444 Mallory Innovation In Motionâ

Innovation In Motionâ

140" thick Chrysler and Ford flexplates with GM and Ford bolt patterns for use with adapter plate kits

Available in 5 different designs

quick change AA battery compartment

They're available in our all-new Hard Core Gray™ hard coat anodized finish with Black™ billet for improved corrosion protection

Dart Big M Engine Block - Bare Block - 4.500 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31213444 Mallory Innovation In MotionâProduct Description: Engine Big M Bare Block 4. 500 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