Dart Big M Engine Block - Bare Block - 4.600 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31213644 RS003C02 25 Male O-Ring Swivel

25 Male O-Ring Swivel

Allstar valve lash wrenches save precious time and make valve adjustment easy

For over 45 years Scat Crankshafts has been leading and innovating the crankshaft market

1980-1987 GMC Jimmy

Dart Big M Engine Block - Bare Block - 4.600 in Bore - 9.800 Deck - 4-Bolt Main - 2-Piece Seal - Big Block Chevy 31213644 RS003C02 25 Male O-Ring SwivelProduct 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