Dart Big M Engine Block - Bare Block - 4.600 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31223644 BR20053 This multi-functional tool can also

This multi-functional tool can also be used to check rocker ratio

Holley 2-Barrel to Small 1 Barrel

270 Stepper Motor

Note: Replaces either straight across or staggered mount units providing the block is drilled for straight across mount

a complete performance HEI distributor upgrade for Chevy V8 engines

Dart Big M Engine Block - Bare Block - 4.600 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31223644 BR20053 This multi-functional tool can alsoProduct Description: Engine Big M Bare Block 4. 600 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