Dart Little M Engine Block - 4.125 in Bore - 9.325 in Deck - 400 Main - 4-Bolt Main - 2-Piece Seal - 0.391 in Raised Cam Location - Small Block Chevy HYPLXSM11M61 Convert Holley carburetors with 7/8"-20

Convert Holley carburetors with 7/8"-20 threads

Vehicle Applications: Chevrolet C1500 1999-1988

2005-2010 Ford Mustang

TF350 #6 Vent Valve

Dart Little M Engine Block - 4.125 in Bore - 9.325 in Deck - 400 Main - 4-Bolt Main - 2-Piece Seal - 0.391 in Raised Cam Location - Small Block Chevy HYPLXSM11M61 Convert Holley carburetors with 7/8"-20Product Description: Engine Little M Bare Block 4. 125 in Bore 9. 325 in Deck 400 Main 4 Bolt Main 2 Piece Seal 0. 391 in Raised Cam Location Iron Small 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